Cisco AIR-AP1220B-E-K9-RF, AIR-AP1230A-S-K9-RF, AIR-AP1220B-E-K9, AIR-AP1230A-A-K9, AIR-AP1230B-E-K9 Hardware Installation Manual

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Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 USA http://www.cisco.com Tel: 408 526-4000

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Cisco Aironet 1200 Series Access Point Hardware Installation Guide

August 2005

Text Part Number: OL-4310-05

THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS.

THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET THAT SHIPPED WITH THE PRODUCT AND ARE INCORPORATED HEREIN BY THIS REFERENCE. IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE OR LIMITED WARRANTY, CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY.

The following information is for FCC compliance of Class A devices: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio-frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case users will be required to correct the interference at their own expense.

The following information is for FCC compliance of Class B devices: The equipment described in this manual generates and may radiate radio-frequency energy. If it is not installed in accordance with Cisco’s installation instructions, it may cause interference with radio and television reception. This equipment has been tested and found to comply with the limits for a Class B digital device in accordance with the specifications in part 15 of the FCC rules. These specifications are designed to provide reasonable protection against such interference in a residential installation. However, there is no guarantee that interference will not occur in a particular installation.

Modifying the equipment without Cisco’s written authorization may result in the equipment no longer complying with FCC requirements for Class A or Class B digital devices. In that event, your right to use the equipment may be limited by FCC regulations, and you may be required to correct any interference to radio or television communications at your own expense.

You can determine whether your equipment is causing interference by turning it off. If the interference stops, it was probably caused by the Cisco equipment or one of its peripheral devices. If the equipment causes interference to radio or television reception, try to correct the interference by using one or more of the following measures:

• Turn the television or radio antenna until the interference stops.

• Move the equipment to one side or the other of the television or radio.

• Move the equipment farther away from the television or radio.

• Plug the equipment into an outlet that is on a different circuit from the television or radio. (That is, make certain the equipment and the television or radio are on circuits controlled by different circuit breakers or fuses.)

Modifications to this product not authorized by Cisco Systems, Inc. could void the FCC approval and negate your authority to operate the product.

The Cisco implementation of TCP header compression is an adaptation of a program developed by the University of California, Berkeley (UCB) as part of UCB’s public domain version of the UNIX operating system. All rights reserved. Copyright © 1981, Regents of the University of California.

NOTWITHSTANDING ANY OTHER WARRANTY HEREIN, ALL DOCUMENT FILES AND SOFTWARE OF THESE SUPPLIERS ARE PROVIDED “AS IS” WITH ALL FAULTS. CISCO AND THE ABOVE-NAMED SUPPLIERS DISCLAIM ALL WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, THOSE OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING, USAGE, OR TRADE PRACTICE.

IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT, SPECIAL, CONSEQUENTIAL, OR INCIDENTAL DAMAGES, INCLUDING, WITHOUT LIMITATION, LOST PROFITS OR LOSS OR DAMAGE TO DATA ARISING OUT OF THE USE OR INABILITY TO USE THIS MANUAL, EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

Cisco Aironet 1200 Series Access Point Hardware Installation Guide

CCSP, CCVP, the Cisco Square Bridge logo, Follow Me Browsing, and StackWise are trademarks of Cisco Systems, Inc.; Changing the Way We Work, Live, Play, and Learn, and iQuick Study are service marks of Cisco Systems, Inc.; and Access Registrar, Aironet, ASIST, BPX, Catalyst, CCDA, CCDP, CCIE, CCIP, CCNA, CCNP, Cisco, the Cisco Certified Internetwork Expert logo, Cisco IOS, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Cisco Unity, Empowering the Internet Generation, Enterprise/Solver, EtherChannel, EtherFast, EtherSwitch, Fast Step, FormShare, GigaDrive, GigaStack, HomeLink, Internet Quotient, IOS, IP/TV, iQ Expertise, the iQ logo, iQ Net Readiness Scorecard, LightStream, Linksys, MeetingPlace, MGX, the Networkers logo, Networking Academy, Network Registrar, Pac ke t , PIX, Post-Routing, Pre-Routing, ProConnect, RateMUX, ScriptShare, SlideCast, SMARTnet, StrataView Plus, TeleRouter, The Fastest Way to Increase Your Internet Quotient, and TransPath are registered trademarks of Cisco Systems, Inc. and/or its affiliates in the United States and certain other countries.

All other trademarks mentioned in this document or Website are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company. (0502R)

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CONTENTS

Preface ix

Audience ix

Purpose ix

Organization ix

Conventions x

Related Publications xii

Obtaining Documentation xii

Cisco.com xiii Product Documentation DVD xiii Ordering Documentation xiii

Documentation Feedback xiv

Cisco Product Security Overview xiv

Reporting Security Problems in Cisco Products xiv

Obtaining Technical Assistance xv

Cisco Technical Support & Documentation Website xv

Locating the Product Serial Number xvi Submitting a Service Request xvi Definitions of Service Request Severity xvii

Obtaining Additional Publications and Information xvii

CHAPTER

1 Overview 1-1

Hardware Features 1-2

Dual-Radio Operation 1-2

LEDs 1-3

Ethernet Port 1-3

Console Port 1-4

Power Sources 1-4

UL 2043 Certification 1-4

Anti-Theft Features 1-5

Network Configuration Examples 1-5

Central Unit in an All-Wireless Network 1-5 Root Access Point on a Wired LAN 1-6 Repeater Unit that Extends Wireless Range 1-7 Point-to-Point Bridge Configuration 1-7

Contents

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Workgroup Bridge Configuration 1-8

CHAPTER

2 Installing the Access Point 2-1

Safety Information 2-2

FCC Safety Compliance Statement 2-2 General Safety Guidelines 2-2

Warnings 2-2

Unpacking the Access Point 2-3

Package Contents 2-3

Basic Installation Guidelines 2-3

Installation Above Suspended Ceilings 2-4

Before Beginning the Installation 2-4

Installation Summary 2-6

Connecting the 2.4-GHz Antennas 2-6

Connecting the 5-GHz External Antennas 2-7

Connecting the Ethernet and Power Cables 2-8

Connecting to an Ethernet Network with an Inline Power Source 2-9 Connecting to an Ethernet Network with Local Power 2-9 Powering Up the Access Point 2-10

CHAPTER

3 Configuring the Access Point for the First Time 3-1

Before You Start 3-2

Resetting the Access Point to Default Settings 3-2

Using the Mode Button 3-2 Using a Web-browser 3-2 Default IP Address Behavior 3-3

Obtaining and Assigning an IP Address 3-3

Connecting to the Access Point Locally 3-4

Assigning Basic Settings 3-4

Default Settings on the Express Setup Page 3-8 Enabling the Radio Interfaces 3-9

Configuring Basic Security Settings 3-9

Understanding Express Security Settings 3-11

Using VLANs 3-11 Express Security Types 3-11 Express Security Limitations 3-12 Using the Express Security Page 3-13

Assigning an IP Address Using the CLI 3-14

Contents

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Using a Telnet Session to Access the CLI 3-14

CHAPTER

4 Using the Web-Browser Interface 4-1

Using the Web-Browser Interface for the First Time 4-2

Using the Management Pages in the Web-Browser Interface 4-2

Using Action Buttons 4-4 Character Restrictions in Entry Fields 4-5

Using Online Help 4-5

CHAPTER

5 Using the Command-Line Interface 5-1

Cisco IOS Command Modes 5-2

Getting Help 5-3

Abbreviating Commands 5-3

Using no and default Forms of Commands 5-3

Understanding CLI Messages 5-4

Using Command History 5-4

Changing the Command History Buffer Size 5-4 Recalling Commands 5-5 Disabling the Command History Feature 5-5

Using Editing Features 5-5

Enabling and Disabling Editing Features 5-6 Editing Commands Through Keystrokes 5-6 Editing Command Lines that Wrap 5-7

Searching and Filtering Output of show and more Commands 5-8

Accessing the CLI 5-8

Opening the CLI with Telnet 5-8 Opening the CLI with Secure Shell 5-9

CHAPTER

6 Mounting Instructions 6-1

Overview 6-2

Mounting on a Horizontal or Vertical Surface 6-3

Mounting Below a Suspended Ceiling 6-4

Mounting Above a Suspended Ceiling 6-5

Attaching the Access Point to the Mounting Bracket 6-7

Securing the Access Point to the Mounting Bracket 6-7

Contents

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CHAPTER

7 2.4-GHz Radio Upgrade 7-1

Upgrade Overview 7-2

Unpacking the Radio 7-2

Opening the Access Cover 7-3

Removing a Blank Spacer Card 7-4

Removing a 2.4-GHz Radio 7-5

Installing a 2.4-GHz Radio 7-7

Attaching the Compliance Labels 7-9

Placing the Labels 7-10

Finding the Software Version 7-10

CHAPTER

8 5-GHz Radio Module Upgrade 8-1

Upgrade Overview 8-2

Unpacking the Radio Module 8-2

Removing the 5-GHz Radio Access Cover 8-2

Removing a 5-GHz Radio Module 8-3

Installing a 5-GHz Radio Module 8-5

Attaching the Compliance Label 8-7

Finding the Software Version 8-8

CHAPTER

9 Troubleshooting 9-1

Checking the Top Panel LEDs 9-2

Checking Basic Settings 9-4

Default IP Address Behavior 9-4 Default SSID and Radio Behavior 9-4 Enabling the Radio Interfaces 9-4 SSID 9-5 WEP Keys 9-5 Security Settings 9-5

Running the Carrier Busy Test 9-5

Running the Ping or Link Test 9-6

Resetting to the Default Configuration 9-7

Using the MODE Button 9-7 Using the Web Browser Interface 9-8

Reloading the Access Point Image 9-8

Using the MODE button 9-9

Contents

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Web Browser Interface 9-9

Browser HTTP Interface 9-10

Browser TFTP Interface 9-10

Obtaining the Access Point Image File 9-11

Obtaining the TFTP Server Software 9-12

APPENDIX

A Translated Safety Warnings A-1

Statement 245B—Explosive Device Proximity Warning A-2

Statement 332—Antenna Installation Warning A-3

Statement 1001—Work During Lightning Activity Warning A-4

Statement 1004—Installation Instructions Warning A-5

Statement 1005—Circuit Breaker (20A) Warning A-6

APPENDIX

B Declarations of Conformity and Regulatory Information B-1

Manufacturers Federal Communication Commission Declaration of Conformity Statement B-2

Department of Communications—Canada B-3

Canadian Compliance Statement B-3

European Community, Switzerland, Norway, Iceland, and Liechtenstein B-4

Declaration of Conformity with Regard to the R&TTE Directive 1999/5/EC B-4

Declaration of Conformity for RF Exposure B-6

Guidelines for Operating Cisco Aironet Access Points in Japan B-6

Japanese Translation B-6

English Translation B-7

Administrative Rules for Cisco Aironet Access Points in Taiwan B-7

Access Points with IEEE 802.11a Radios B-7

Chinese Translation B-7

English Translation B-7 All Access Points B-8

Chinese Translation B-8

English Translation B-8

Operation of Cisco Aironet Access Points in Brazil B-9

Access Point Model B-9

Regulatory Information B-9

Portuguese Translation B-9

English Translation B-9

Declaration of Conformity Statements B-10

Declaration of Conformity Statements for European Union Countries B-10

Contents

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APPENDIX

C Access Point Specifications C-1

APPENDIX

D Channels and Antenna Settings D-1

Channels D-2

IEEE 802.11b (2.4-GHz Band) D-2 IEEE 802.11g (2.4-GHz Band) D-3 IEEE 802.11a (5-GHz Band) D-4

Maximum Power Levels and Antenna Gains D-6

IEEE 802.11b (2.4-GHz Band) D-6 IEEE 802.11g (2.4-GHz Band) D-7 IEEE 802.11a (5-GHz Band) D-8

APPENDIX

E Console Cable Pinouts E-1

Overview E-2

Console Port Signals and Pinouts E-2

LOSSARY

NDEX

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Preface

Audience

This guide is for the networking professional who installs and manages the Cisco Aironet 1200 Series Access Point, hereafter referred to as the access point. To use this guide, you should have experience working with the Cisco IOS software and be familiar with the concepts and terminology of wireless local area networks.

Purpose

This guide provides the information you need to install and configure basic settings for your access point. For information on using Cisco IOS commands to configure your access point, refer to the Cisco IOS Software Configuration Guide for Cisco Aironet Access Points. For detailed information about these IOS commands, refer to the Cisco Aironet 1200 Series Access Point Command Reference for this release. For information about the standard Cisco IOS Release 12.3 commands, refer to the Cisco IOS documentation set available from the Cisco.com home page at Technical Support & Documentation. On the Technical Support & Documentation home page, click Cisco IOS Software > Cisco IOS Software Releases 12.3 Mainline.

This guide also includes an overview of the access point web-based graphical user interface (GUI) and the command line interface (CLI). This guide does not provide field-level descriptions of all GUI windows nor does it provide the procedures for completely configuring the access point using the GUI or the CLI. For all GUI window descriptions and procedures, refer to the access point online help, which is available from the Help buttons on the GUI pages. For configuration information refer to the Cisco IOS Software Configuration Guide for Cisco Aironet Access Points.

Organization

This guide is organized into these chapters:

Chapter 1, “Overview,” lists the software and hardware features of the access point and describes the

access point’s role in your network.

Chapter 2, “Installing the Access Point,” describes how to connect Ethernet and power cables and

provides an installation summary, safety warnings, and general guidelines.

Chapter 3, “Configuring the Access Point for the First Time,” describes how to configure basic settings

on a new access point.

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Conventions

Chapter 4, “Using the Web-Browser Interface,” describes how to use the web-browser interface to

configure the access point.

Chapter 5, “Using the Command-Line Interface,” describes how to use the command-line interface

(CLI) to configure the access point.

Chapter 6, “Mounting Instructions,” describes how to mount the access point on a desktop, wall, or

ceiling.

Chapter 7, “2.4-GHz Radio Upgrade,” provides instructions for upgrading the access point 2.4-GHz

radio.

Chapter 8, “5-GHz Radio Module Upgrade,” provides instructions for upgrading the access point 5-GHz

radio.

Chapter 9, “Troubleshooting,” provides troubleshooting procedures for basic problems with the access

point.

Appendix A, “Translated Safety Warnings,” provides translations of the safety warnings that appear in

this publication.

Appendix B, “Declarations of Conformity and Regulatory Information,” provides declarations of

conformity and regulatory information for the access point.

Appendix C, “Access Point Specifications,” lists technical specifications for the access point.

Appendix D, “Channels and Antenna Settings,” lists the access point radio channels and the maximum

power levels supported by the world’s regulatory domains.

Appendix E, “Console Cable Pinouts,” identifies the pinouts for the serial console cable that connects

to the access point’s serial console port.

Conventions

This publication uses these conventions to convey instructions and information:

Command descriptions use these conventions:

• Commands and keywords are in boldface text.

• Arguments for which you supply values are in italic.

• Square brackets ([ ]) mean optional elements.

• Braces ({ }) group required choices, and vertical bars ( | ) separate the alternative elements.

• Braces and vertical bars within square brackets ([{ | }]) mean a required choice within an optional

element.

Interactive examples use these conventions:

• Terminal sessions and system displays are in screen font.

• Information you enter is in boldface screen font.

• Nonprinting characters, such as passwords or tabs, are in angle brackets (< >).

Notes, cautions, and timesavers use these conventions and symbols:

Tip Means the following will help you solve a problem. The tips information might not be troubleshooting

or even an action, but could be useful information.

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Conventions

Note Means reader take note. Notes contain helpful suggestions or references to materials not contained in

this manual.

Caution Means reader be careful. In this situation, you might do something that could result equipment damage

or loss of data.

Warning

This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents. (To see translations of the warnings that appear in this publication, refer to the appendix “Translated Safety Warnings.”)

Waarschuwing

Dit waarschuwingssymbool betekent gevaar. U verkeert in een situatie die lichamelijk letsel kan veroorzaken. Voordat u aan enige apparatuur gaat werken, dient u zich bewust te zijn van de bij elektrische schakelingen betrokken risico’s en dient u op de hoogte te zijn van standaard maatregelen om ongelukken te voorkomen. (Voor vertalingen van de waarschuwingen die in deze publicatie verschijnen, kunt u het aanhangsel “Translated Safety Warnings” (Vertalingen van veiligheidsvoorschriften) raadplegen.)

Varoitus

Tämä varoitusmerkki merkitsee vaaraa. Olet tilanteessa, joka voi johtaa ruumiinvammaan. Ennen kuin työskentelet minkään laitteiston parissa, ota selvää sähkökytkentöihin liittyvistä vaaroista ja tavanomaisista onnettomuuksien ehkäisykeinoista. (Tässä julkaisussa esiintyvien varoitusten käännökset löydät liitteestä "Translated Safety Warnings" (käännetyt turvallisuutta koskevat varoitukset).)

Attention

Ce symbole d’avertissement indique un danger. Vous vous trouvez dans une situation pouvant entraîner des blessures. Avant d’accéder à cet équipement, soyez conscient des dangers posés par les circuits électriques et familiarisez-vous avec les procédures courantes de prévention des accidents. Pour obtenir les traductions des mises en garde figurant dans cette publication, veuillez consulter l’annexe intitulée « Translated Safety Warnings » (Traduction des avis de sécurité).

Warnung

Dieses Warnsymbol bedeutet Gefahr. Sie befinden sich in einer Situation, die zu einer Körperverletzung führen könnte. Bevor Sie mit der Arbeit an irgendeinem Gerät beginnen, seien Sie sich der mit elektrischen Stromkreisen verbundenen Gefahren und der Standardpraktiken zur Vermeidung von Unfällen bewußt. (Übersetzungen der in dieser Veröffentlichung enthaltenen Warnhinweise finden Sie im Anhang mit dem Titel “Translated Safety Warnings” (Übersetzung der Warnhinweise).)

Avvertenza

Questo simbolo di avvertenza indica un pericolo. Si è in una situazione che può causare infortuni. Prima di lavorare su qualsiasi apparecchiatura, occorre conoscere i pericoli relativi ai circuiti elettrici ed essere al corrente delle pratiche standard per la prevenzione di incidenti. La traduzione delle avvertenze riportate in questa pubblicazione si trova nell’appendice, “Translated Safety Warnings” (Traduzione delle avvertenze di sicurezza).

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Related Publications

These documents provide complete information about the access point:

• Release Notes for Cisco Aironet 1200 Series Access Points

• Cisco Aironet 1200 Series Access Point Command Reference

• Cisco IOS Software Configuration Guide for Cisco Aironet Access Points

Click this link to browse to the Cisco Aironet documentation home page:

http://www.cisco.com/en/US/products/hw/wireless/tsd_products_support_category_home.html

To browse to the 1200 series access point documentation, click Cisco Aironet 1200 Series, which is listed under Wireless LAN Access.

Obtaining Documentation

Cisco documentation and additional literature are available on Cisco.com. Cisco also provides several ways to obtain technical assistance and other technical resources. These sections explain how to obtain technical information from Cisco Systems.

Advarsel

Dette varselsymbolet betyr fare. Du befinner deg i en situasjon som kan føre til personskade. Før du utfører arbeid på utstyr, må du være oppmerksom på de faremomentene som elektriske kretser innebærer, samt gjøre deg kjent med vanlig praksis når det gjelder å unngå ulykker. (Hvis du vil se oversettelser av de advarslene som finnes i denne publikasjonen, kan du se i vedlegget "Translated Safety Warnings" [Oversatte sikkerhetsadvarsler].)

Aviso

Este símbolo de aviso indica perigo. Encontra-se numa situação que lhe poderá causar danos fisicos. Antes de começar a trabalhar com qualquer equipamento, familiarize-se com os perigos relacionados com circuitos eléctricos, e com quaisquer práticas comuns que possam prevenir possíveis acidentes. (Para ver as traduções dos avisos que constam desta publicação, consulte o apêndice “Translated Safety Warnings” - “Traduções dos Avisos de Segurança”).

¡Advertencia!

Este símbolo de aviso significa peligro. Existe riesgo para su integridad física. Antes de manipular cualquier equipo, considerar los riesgos que entraña la corriente eléctrica y familiarizarse con los procedimientos estándar de prevención de accidentes. (Para ver traducciones de las advertencias que aparecen en esta publicación, consultar el apéndice titulado “Translated Safety Warnings.”)

Varning!

Denna varningssymbol signalerar fara. Du befinner dig i en situation som kan leda till personskada. Innan du utför arbete på någon utrustning måste du vara medveten om farorna med elkretsar och känna till vanligt förfarande för att förebygga skador. (Se förklaringar av de varningar som förekommer i denna publikation i appendix "Translated Safety Warnings" [Översatta säkerhetsvarningar].)

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Obtaining Documentation

Cisco.com

You can access the most current Cisco documentation at this URL:

http://www.cisco.com/techsupport

You can access the Cisco website at this URL:

http://www.cisco.com

You can access international Cisco websites at this URL:

http://www.cisco.com/public/countries_languages.shtml

Product Documentation DVD

Cisco documentation and additional literature are available in the Product Documentation DVD package, which may have shipped with your product. The Product Documentation DVD is updated regularly and may be more current than printed documentation.

The Product Documentation DVD is a comprehensive library of technical product documentation on portable media. The DVD enables you to access multiple versions of hardware and software installation, configuration, and command guides for Cisco products and to view technical documentation in HTML. With the DVD, you have access to the same documentation that is found on the Cisco website without being connected to the Internet. Certain products also have .pdf versions of the documentation available.

The Product Documentation DVD is available as a single unit or as a subscription. Registered Cisco.com users (Cisco direct customers) can order a Product Documentation DVD (product number DOC-DOCDVD=) from the Ordering tool or Cisco Marketplace.

Cisco Ordering tool:

http://www.cisco.com/en/US/partner/ordering/

Cisco Marketplace:

http://www.cisco.com/go/marketplace/

Ordering Documentation

Beginning June 30, 2005, registered Cisco.com users may order Cisco documentation at the Product Documentation Store in the Cisco Marketplace at this URL:

http://www.cisco.com/go/marketplace/

Cisco will continue to support documentation orders using the Ordering tool:

• Registered Cisco.com users (Cisco direct customers) can order documentation from the

Ordering tool:

http://www.cisco.com/en/US/partner/ordering/

• Instructions for ordering documentation using the Ordering tool are at this URL:

http://www.cisco.com/univercd/cc/td/doc/es_inpck/pdi.htm

• Nonregistered Cisco.com users can order documentation through a local account representative by

calling Cisco Systems Corporate Headquarters (California, USA) at 408 526-7208 or, elsewhere in North America, by calling 1 800 553-NETS (6387).

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Documentation Feedback

You can rate and provide feedback about Cisco technical documents by completing the online feedback form that appears with the technical documents on Cisco.com.

You can send comments about Cisco documentation to bug-doc@cisco.com.

You can submit comments by using the response card (if present) behind the front cover of your document or by writing to the following address:

Cisco Systems Attn: Customer Document Ordering 170 West Tasman Drive San Jose, CA 95134-9883

We appreciate your comments.

Cisco Product Security Overview

Cisco provides a free online Security Vulnerability Policy portal at this URL:

http://www.cisco.com/en/US/products/products_security_vulnerability_policy.html

From this site, you can perform these tasks:

• Report security vulnerabilities in Cisco products.

• Obtain assistance with security incidents that involve Cisco products.

• Register to receive security information from Cisco.

A current list of security advisories and notices for Cisco products is available at this URL:

http://www.cisco.com/go/psirt

If you prefer to see advisories and notices as they are updated in real time, you can access a Product Security Incident Response Team Really Simple Syndication (PSIRT RSS) feed from this URL:

http://www.cisco.com/en/US/products/products_psirt_rss_feed.html

Reporting Security Problems in Cisco Products

Cisco is committed to delivering secure products. We test our products internally before we release them, and we strive to correct all vulnerabilities quickly. If you think that you might have identified a vulnerability in a Cisco product, contact PSIRT:

• Emergencies— security-alert@cisco.com

An emergency is either a condition in which a system is under active attack or a condition for which a severe and urgent security vulnerability should be reported. All other conditions are considered nonemergencies.

• Nonemergencies— psirt@cisco.com

In an emergency, you can also reach PSIRT by telephone:

• 1 877 228-7302

• 1 408 525-6532

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Obtaining Technical Assistance

Tip We encourage you to use Pretty Good Privacy (PGP) or a compatible product to encrypt any sensitive

information that you send to Cisco. PSIRT can work from encrypted information that is compatible with PGP versions 2.x through 8.x.

Never use a revoked or an expired encryption key. The correct public key to use in your correspondence with PSIRT is the one linked in the Contact Summary section of the Security Vulnerability Policy page at this URL:

http://www.cisco.com/en/US/products/products_security_vulnerability_policy.htm

The link on this page has the current PGP key ID in use.

Obtaining Technical Assistance

Cisco Technical Support provides 24-hour-a-day award-winning technical assistance. The Cisco Technical Support & Documentation website on Cisco.com features extensive online support resources. In addition, if you have a valid Cisco service contract, Cisco Technical Assistance Center (TAC) engineers provide telephone support. If you do not have a valid Cisco service contract, contact your reseller.

Cisco Technical Support & Documentation Website

The Cisco Technical Support & Documentation website provides online documents and tools for troubleshooting and resolving technical issues with Cisco products and technologies. The website is available 24 hours a day, at this URL:

http://www.cisco.com/techsupport

Access to all tools on the Cisco Technical Support & Documentation website requires a Cisco.com user ID and password. If you have a valid service contract but do not have a user ID or password, you can register at this URL:

http://tools.cisco.com/RPF/register/register.do

Note Use the Cisco Product Identification (CPI) tool to locate your product serial number before submitting

a web or phone request for service. You can access the CPI tool from the Cisco Technical Support & Documentation website by clicking the Tools & Resources link under Documentation & Tools. Choose

Cisco Product Identification Tool from the Alphabetical Index drop-down list, or click the Cisco Product Identification Tool link under Alerts & RMAs. The CPI tool offers three search options: by

product ID or model name; by tree view; or for certain products, by copying and pasting show command output. Search results show an illustration of your product with the serial number label location highlighted. Locate the serial number label on your product and record the information before placing a service call.

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Obtaining Technical Assistance

Locating the Product Serial Number

The access point serial number is located on the bottom of the cabinet (refer to Figure 1).

Figure 1 Location of Serial Number Label

The access point serial number label contains the following information:

• Model number, such as AIR-AP1200

• Serial number, such as S/N: VDF0636XXXX (11 alphanumeric digits)

• MAC address, such as MAC: 00abc65094f3 (12 hexadecimal digits)

• Location of manufacture, such as Made in Singapore

You need your product serial number when requesting support from the Cisco Technical Assistance Center.

Submitting a Service Request

Using the online TAC Service Request Tool is the fastest way to open S3 and S4 service requests. (S3 and S4 service requests are those in which your network is minimally impaired or for which you require product information.) After you describe your situation, the TAC Service Request Tool provides recommended solutions. If your issue is not resolved using the recommended resources, your service request is assigned to a Cisco engineer. The TAC Service Request Tool is located at this URL:

http://www.cisco.com/techsupport/servicerequest

For S1 or S2 service requests or if you do not have Internet access, contact the Cisco TAC by telephone. (S1 or S2 service requests are those in which your production network is down or severely degraded.) Cisco engineers are assigned immediately to S1 and S2 service requests to help keep your business operations running smoothly.

To open a service request by telephone, use one of the following numbers:

Asia-Pacific: +61 2 8446 7411 (Australia: 1 800 805 227) EMEA: +32 2 704 55 55 USA: 1 800 553-2447

For a complete list of Cisco TAC contacts, go to this URL:

http://www.cisco.com/techsupport/contacts

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Obtaining Additional Publications and Information

Definitions of Service Request Severity

To ensure that all service requests are reported in a standard format, Cisco has established severity definitions.

Severity 1 (S1)—Your network is “down,” or there is a critical impact to your business operations. You and Cisco will commit all necessary resources around the clock to resolve the situation.

Severity 2 (S2)—Operation of an existing network is severely degraded, or significant aspects of your business operation are negatively affected by inadequate performance of Cisco products. You and Cisco will commit full-time resources during normal business hours to resolve the situation.

Severity 3 (S3)—Operational performance of your network is impaired, but most business operations remain functional. You and Cisco will commit resources during normal business hours to restore service to satisfactory levels.

Severity 4 (S4)—You require information or assistance with Cisco product capabilities, installation, or configuration. There is little or no effect on your business operations.

Obtaining Additional Publications and Information

Information about Cisco products, technologies, and network solutions is available from various online and printed sources.

• Cisco Marketplace provides a variety of Cisco books, reference guides, documentation, and logo

merchandise. Visit Cisco Marketplace, the company store, at this URL:

http://www.cisco.com/go/marketplace/

• Cisco Press publishes a wide range of general networking, training and certification titles. Both new

and experienced users will benefit from these publications. For current Cisco Press titles and other information, go to Cisco Press at this URL:

http://www.ciscopress.com

• Pack et magazine is the Cisco Systems technical user magazine for maximizing Internet and

networking investments. Each quarter, Packet delivers coverage of the latest industry trends, technology breakthroughs, and Cisco products and solutions, as well as network deployment and troubleshooting tips, configuration examples, customer case studies, certification and training information, and links to scores of in-depth online resources. You can access Packet magazine at this URL:

http://www.cisco.com/packet

• iQ Magazine is the quarterly publication from Cisco Systems designed to help growing companies

learn how they can use technology to increase revenue, streamline their business, and expand services. The publication identifies the challenges facing these companies and the technologies to help solve them, using real-world case studies and business strategies to help readers make sound technology investment decisions. You can access iQ Magazine at this URL:

http://www.cisco.com/go/iqmagazine

or view the digital edition at this URL:

http://ciscoiq.texterity.com/ciscoiq/sample/

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• Internet Protocol Journal is a quarterly journal published by Cisco Systems for engineering

professionals involved in designing, developing, and operating public and private internets and intranets. You can access the Internet Protocol Journal at this URL:

http://www.cisco.com/ipj

• Networking products offered by Cisco Systems, as well as customer support services, can be

obtained at this URL:

http://www.cisco.com/en/US/products/index.html

• Networking Professionals Connection is an interactive website for networking professionals to share

questions, suggestions, and information about networking products and technologies with Cisco experts and other networking professionals. Join a discussion at this URL:

http://www.cisco.com/discuss/networking

• World-class networking training is available from Cisco. You can view current offerings at

this URL:

http://www.cisco.com/en/US/learning/index.html

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Overview

Cisco Aironet 1200 Series Access Points provide a secure, affordable, and easy-to-use wireless LAN solution that combines mobility and flexibility with the enterprise-class features required by networking professionals. With a management system based on Cisco IOS software, the 1200 series is a Wi-Fi certified, wireless LAN transceiver.

The 1200 series access point can contain two radios: a 2.4-GHz radio (IEEE 802.11b or IEEE 802.11g) in an internal mini-PCI slot and a 5-GHz radio module (IEEE 802.11a) in an external, modified cardbus slot. The access point supports one radio of each type, but it does not support two 2.4-GHz or two 5-GHz radios. You can configure the radios separately, using different settings on each radio.

The access point serves as the connection point between wireless and wired networks or as the center point of a stand-alone wireless network. In large installations, wireless users within radio range of an access point can roam throughout a facility while maintaining seamless, uninterrupted access to the network.

You can configure and monitor the access point using the command-line interface (CLI), the browser-based management system, or Simple Network Management Protocol (SNMP).

This chapter provides information on the following topics:

• Hardware Features, page 1-2

• Network Configuration Examples, page 1-5

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Hardware Features

This section describes access point features. Refer to Appendix C, “Access Point Specifications,” for a list of access point specifications.

Key hardware features of the 1200 series access point include:

• Dual-Radio Operation, page 1-2

• LEDs, page 1-3

• Ethernet Port, page 1-3

• Console Port, page 1-4

• Power Sources, page 1-4

• UL 2043 Certification, page 1-4

• Anti-Theft Features, page 1-5

Dual-Radio Operation

The 1200 series access point can be initially configured at the factory for single- or dual-radio operation. You can also upgrade an access point configured for single-radio operation to support dual-radio operation using a 5-GHz radio module or a 2.4-GHz mini-PCI radio card. The access point supports one radio of each type, but it does not support two 2.4-GHz or two 5-GHz radios.

The 2.4-GHz mini-PCI radio card connects to an internal mini-PCI slot and is available in two configurations:

• IEEE 802.11b mini-PCI radio card, hereafter called 802.11b radio

• IEEE 802.11g mini-PCI radio card, herafter called 802.11g radio

–

Requires Cisco IOS Release 12.2(13)JA or later

The 5-GHz radio module connects to the access point’s modified card bus connector and is available in three configurations:

• IEEE 802.11a radio module with integrated antenna (low power), hereafter called the RM20A radio

module

• IEEE 802.11a radio module with integrated antenna, hereafter called the RM21A radio module

–

Requires Cisco IOS Release 12.3(2)JA or later

• IEEE 802.11a radio module with external RP-TNC antenna connectors, hereafter called the RM22A

radio module

–

Requires Cisco IOS Release 12.3(2)JA or later

All 5-GHz radio modules incorporate an Unlicensed National Information Infrastructure (UNII) radio transceiver operating in the UNII 5-GHz frequency bands. The RM20A and the RM21A radio modules contain dual integrated omnidirectional antennas and directional antennas for diversity operation. The

802.11b or 802.11g radio is called Radio0 and the 802.11a radio is called Radio1.

Note Cisco Aironet CB20A client radios can sometimes fail to associate to the RM21A or RM22A radio

modules because the CB20A client radio does not support all the channels supported by the radio modules. The default channel setting for the RM21A or RM22A radio module, least congested, often results in the access point settling on one of these frequencies that the CB20A client radio does not support: channel 149 (5745 GHz), channel 153 (5765 GHz), channel 157 (5785 GHz), and channel 161

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Chapter 1 Overview

Hardware Features

(5805 GHz). To avoid this problem, set the channel on the RM21A or RM22A radio module to one of the channels supported by the CB20A client radio. For additional information, refer to the Cisco IOS Software Configuration Guide for Cisco Aironet Access Points.

LEDs

The three LEDs on the top of the access point report Ethernet activity, association status, and radio activity.

• The Ethernet LED signals Ethernet traffic on the wired LAN, or Ethernet infrastructure. This LED

is normally green when an Ethernet cable is connected and blinks green when a packet is received or transmitted over the Ethernet infrastructure. The LED is off when the Ethernet cable is not connected.

• The status LED signals operational status. Green indicates that the access point is associated with

at least one wireless client. Blinking green indicates that the access point is operating normally but is not associated with any wireless devices.

• The radio LED signals wireless traffic over the radio interface. The light is normally off, but it blinks

green whenever a packet is received or transmitted over the access point radio.

Figure 1-1 shows the three status LEDs.

Figure 1-1 Access Point LEDs

Ethernet Port

The auto-sensing Ethernet port accepts an RJ-45 connector, linking the access point to your 10BASE-T or 100BASE-T Ethernet LAN. The access point can receive power through the Ethernet cable from a power injector, switch, or power patch panel. The Ethernet MAC address is printed on the label on the back of the access point.

Radio

Status

Ethernet

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Chapter 1 Overview

Hardware Features

Console Port

The console port provides access to the access point’s command-line interface (CLI) using a terminal emulator program. Use an RJ-45 to DB-9 serial cable to connect your computer’s COM port to the access point’s serial console port. (Refer to Appendix E, “Console Cable Pinouts,” for a description of the console port pinouts.) Assign the following port settings to a terminal emulator to open the management system pages: 9600 baud, 8 data bits, No parity, 1 stop bit and no flow control.

Note When your configuration changes are completed, you must remove the serial cable from the access point.

Power Sources

The access point can receive power from an external power module or through inline power using the Ethernet cable. Using inline power, you do not need to run a power cord to the access point.

The access point supports the following power sources:

• Power supply (input 100–240 VAC, 50–60 Hz, output 48 VDC, 0.2A minimum)

• Inline power from:

–

Cisco Aironet Power Injector (AIR-PWRINJ-FIB or AIR-PWRINJ3)

–

A switch capable of providing inline power, such as Cisco Catalyst 3500XL, 3550, 4500, or 6500 switches

–

An inline power patch panel, such as the Cisco Catalyst Inline Power Patch Panel

Note The Catalyst 3550-24 PWR switch supports power for access points configured with both

2.4-GHz and 5-GHz radios. Other switches and patch panels might not provide enough power for both radios.

UL 2043 Certification

The access point is encased in a durable metal case having adequate fire resistance and low smoke-producing characteristics suitable for operation in a building's environmental air space, such as above suspended ceilings, in accordance with Section 300-22(c) of the NEC, and with Sections 2-128, 12-010(3) and 12-100 of the Canadian Electrical Code, Part 1, C22.1.

Caution Only the fiber-optic power injector (AIR-PWRINJ-FIB) has been tested to UL 2043 for operation in a

building’s environmental air space; no other power injectors or power modules have been tested to UL 2043 and they should not be placed in a building’s environmental air space, such as above suspended ceilings.

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Chapter 1 Overview

Network Configuration Examples

Anti-Theft Features

There are two methods of securing the access point to help prevent theft:

• Security cable keyhole—You can use the security cable slot to secure the access point using a

standard security cable, such as those used on laptop computers.

• Security hasp—When you mount the access point on a wall or ceiling using the mounting bracket

and the security hasp, you can lock the access point to the bracket with a padlock. Compatible padlocks are Master Lock models 120T and 121T or equivalent.

Network Configuration Examples

This section describes the access point’s role in three common wireless network configurations. The access point’s default configuration is as a root unit connected to a wired LAN or as the central unit in an all-wireless network. The repeater role requires a specific configuration.

Central Unit in an All-Wireless Network

In an all-wireless network, an access point acts as a stand-alone root unit. The access point is not attached to a wired LAN; it functions as a hub linking all stations together. The access point serves as the focal point for communications, increasing the communication range of wireless users. Figure 1-2 shows an access point in an all-wireless network.

Figure 1-2 Access Point as Central Unit in All-Wireless Network

Access point

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Network Configuration Examples

Root Access Point on a Wired LAN

An access point connected directly to a wired LAN provides a connection point for wireless users. If more than one access point is connected to the LAN, users can roam from one area of a facility to another without losing their connection to the network. As users move out of range of one access point, they automatically connect to the network (associate) through another access point. The roaming process is seamless and transparent to the user. Figure 1-3 shows access points acting as root units on a wired LAN.

Figure 1-3 Access Points as Root Units on a Wired LAN

Access point

135445

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Repeater Unit that Extends Wireless Range

An access point can be configured as a stand-alone repeater to extend the range of your infrastructure or to overcome an obstacle that blocks radio communication. The repeater forwards traffic between wireless users and the wired LAN by sending packets to either another repeater or to an access point connected to the wired LAN. The data is sent through the route that provides the best performance for the client. Figure 1-4 shows an access point acting as a repeater. Consult the Cisco IOS Software Configuration Guide for Cisco Aironet Access Points for instructions on setting up an access point as a repeater.

Note Non-Cisco client devices might have difficulty communicating with repeater access points.

Figure 1-4 Access Point as Repeater

Point-to-Point Bridge Configuration

In a point-to-point bridge configuration, two bridges (root and non-root) connect two remote LAN networks using a wireless communication link (see Figure 1-5). The bridge connected to the main LAN network is classified as a root bridge and the other bridge is classified as a non-root bridge.

Figure 1-5 Point-to-Point Bridge Configuration

Access point Repeater

135444

117029

Root bridge Non-root bridge

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Workgroup Bridge Configuration

When configured in the workgroup bridge mode, the unit provides a wireless connection for remote wired devices to a Cisco Aironet access point or to a Cisco Aironet bridge. In Figure 1-6, the unit is configured in workgroup bridge mode and is associated to a Cisco Aironet access point as a wireless client device. This configuration enables the Ethernet-enabled devices to pass Ethernet traffic to and from the main LAN using the workgroup bridge.

Figure 1-6 Workgroup Bridge Configuration 1

In Figure 1-7, the unit is configured in workgroup bridge mode and is associated to a Cisco Aironet root bridge as a wireless bridge device. This configuration enables the Ethernet-enabled devices pass Ethernet traffic to and from the main LAN using the workgroup bridge. The main advantage of this configuration is that the wireless communication link can be over a longer distance than an access point supports. Typically, an access point can communicate over an approximate 1-mile range; however, the

2.4 GHz bridge-to-bridge wireless link can communicate over an approximate 21-mile range.

Figure 1-7 Workgroup Bridge Configuration 2

Access point

Workgroup bridge

135448

Bridge Workgroup

bridge

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Installing the Access Point

This chapter describes the setup of the access point and includes the following sections:

• Safety Information, page 2-2

• Warnings, page 2-2

• Unpacking the Access Point, page 2-3

• Basic Installation Guidelines, page 2-3

• Before Beginning the Installation, page 2-4

• Installation Summary, page 2-6

• Connecting the 2.4-GHz Antennas, page 2-6

• Connecting the Ethernet and Power Cables, page 2-8

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Chapter 2 Installing the Access Point

Safety Information

Follow the guidelines in this section to ensure proper operation and safe use of the access point.

FCC Safety Compliance Statement

The FCC with its action in ET Docket 96-8 has adopted a safety standard for human exposure to radio frequency (RF) electromagnetic energy emitted by FCC certified equipment. When used with approved Cisco Aironet antennas, Cisco Aironet products meet the uncontrolled environmental limits found in OET-65 and ANSI C95.1, 1991. Proper installation of this radio according to the instructions found in this manual will result in user exposure that is substantially below the FCC recommended limits.

General Safety Guidelines

• Do not touch or move antenna(s) while the unit is transmitting or receiving.

• Do not hold any component containing a radio so that the antenna is very close to or touching any

exposed parts of the body, especially the face or eyes, while transmitting.

• The use of wireless devices in hazardous locations is limited to the constraints posed by the local

codes, the national codes, and the safety directors of such environments.

Warnings

Translated versions of the following safety warnings are provided in Appendix A, “Translated Safety

Warnings.”

Warning

Read the installation instructions before you connect the system to its power source.

Statement 1004

Warning

This product relies on the building’s installation for short-circuit (overcurrent) protection. Ensure that the protective device is rated not greater than: 20A

Statement 1005

Warning

Do not operate your wireless network device near unshielded blasting caps or in an explosive environment unless the device has been modified to be especially qualified for such use.

Statement 245B

Warning

In order to comply with FCC radio frequency (RF) exposure limits, antennas should be located at a minimum of 7.9 inches (20 cm) or more from the body of all persons.

Statement 332

Warning

Do not work on the system or connect or disconnect cables during periods of lightning activity.

Statement 1001

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Chapter 2 Installing the Access Point

Unpacking the Access Point

Follow these steps to unpack the access point:

Step 1 Open the shipping container and carefully remove the contents.

Step 2 Return all packing materials to the shipping container and save it.

Step 3 Ensure that all items listed in the “Package Contents” section are included in the shipment. Check each

item for damage. If any item is damaged or missing, notify your authorized Cisco sales representative.

Package Contents

Each access point package contains the following items:

• Cisco Aironet 1200 Series Access Point

• Cisco Aironet 1200 Series Power Module (Universal power supply)

• Quick Start Guide: Cisco Aironet 1200 Series Access Points

• Cisco product registration and Cisco documentation feedback cards

The optional 2.4-GHz radio upgrade kit is shipped with the following items:

• 2.4-GHz radio card (802.11b or 802.11g)

• Installation guide

• A product registration card

• A T-10 tamper-resistant Torx L-wrench

• 2.4-GHz radio product compliance label

The optional 5-GHz radio upgrade kit is shipped with the following items:

• 5-GHz radio module (RM20A, RM21A, or RM22A)

• Installation guide

• A product registration card

• A T-10 tamper-resistant Torx L-wrench

• A 5-GHz radio product compliance label

Basic Installation Guidelines

Because the access point is a radio device, it is susceptible to common causes of interference that can reduce throughput and range. Follow these basic guidelines to ensure the best possible performance:

• Install the access point in an area where large steel structures such as shelving units, bookcases, and

filing cabinets do not block the radio signals to and from the access point.

• Install the access point away from microwave ovens. Microwave ovens operate on the same

frequency as the access point and can cause signal interference.

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Before Beginning the Installation

Installation Above Suspended Ceilings

The access point uses a metal enclosure having adequate fire resistance and low smoke-producing characteristics suitable for operation in a building’s environmental air space (such as above suspended ceilings) in accordance with Section 300-22(c) of the NEC. For mounting instructions, refer to the

Chapter 6, “Mounting Instructions.”

Caution Only the fiber-optic power injector (AIR-PWRINJ-FIB) has been tested to UL 2043 for operation in a

Note If you plan to mount the access point with a 5-GHz radio in environmental air space, Cisco recommends

that you mount the access point horizontally with its antennas pointing down. Doing so will result in the access point complying with regulatory requirements for environmental air space with the 5-GHz radio installed.

Before Beginning the Installation

Before you begin the installation process, please refer to Figure 2-1, Figure 2-2, and Figure 2-3 to become familiar with the access point’s layout, connectors, and 5-GHz module location.

Figure 2-1 Access Point Layout and Connectors

Note Do not connect Cisco 5-GHz antennas with blue labels or blue dots to the 2.4-GHz antenna connectors.

1 2.4-GHz antenna connectors 5 Mode button 2 48-VDC power port 6 Status LEDs 3 Ethernet port (RJ-45) 7 Mounting bracket 4 Console port (RJ-45)

1 2 3 4 6

7 1

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Before Beginning the Installation

Figure 2-2 Access Point with 5-GHz Radio Module (RM20A or RM21A)

Figure 2-3 RM22A Radio Module with External RP-TNC Antenna Connectors

]

Note Only connect Cisco 5-GHz antennas with blue labels or blue dots to the RM22A radio module.

1 Module mounting screws 3 Access point 2 Integrated antenna in patch position

(RM20A or RM21A radio module)

74631

1 1 2 3

1 Left 5-GHz antenna connector (RP-TNC) 4 Right 5-GHz antenna connector (RP-TNC) 2 Blue 5-GHz label 5 5-GHz radio 3 Module mounting screws

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Installation Summary

While installing the access point, you must perform the following operations:

• If you have a 2.4-GHz radio upgrade kit, refer to the “2.4-GHz Radio Upgrade” section on page 7-1.

• If you have a 5-GHz radio module upgrade kit (RM20A, RM21A, or RM22A) refer to the “5-GHz

Radio Module Upgrade” section on page 8-1.

• If your access point has a built-in 2.4-GHz radio, connect a single antenna or dual diversity antennas

(refer to the “Connecting the 2.4-GHz Antennas” section on page 2-6).

• If your access point has an installed RM22A radio module, connect a single antenna or dual diversity

antennas (refer to the “Connecting the 5-GHz External Antennas” section on page 2-7).

• Connect Ethernet and power cables (refer to the “Connecting the Ethernet and Power Cables”

section on page 2-8).

• Configure basic settings (refer to Chapter 3, “Configuring the Access Point for the First Time”).

• Configure security and other access point options.

• Use the mounting kit to install the access point on a convenient flat horizontal or vertical surface

such as a desktop, book shelf, file cabinet, wall, or ceiling. For additional information on mounting, refer to Chapter 6, “Mounting Instructions.”

Connecting the 2.4-GHz Antennas

The access point supports a single antenna or dual diversity antennas. Two RP-TNC antenna connectors are provided on the back of the unit for the 2.4-GHz radio.

Note RP-TNC antenna connectors are used for both the 2.4-GHz and 5-GHz radios. Do not connect Cisco

5-GHz antennas with blue labels or blue dots to the 2.4-GHz antenna connectors (refer to Figure 2-1 for connector locations).

To attach your antenna or antenna cable to the access point, follow these steps:

Step 1 Attach an antenna or antenna cable to the 2.4-GHz Right/Primary (RP-TNC) antenna connector on the

back of the access point and hand tighten. If you are using two antennas for diversity coverage, attach the second antenna or antenna cable to the 2.4-GHz Left (RP-TNC) antenna connector.

Step 2 If you are using a Cisco Aironet 2 dBi antenna, orient the antenna depending on how you intend to mount

the access point.

• On a table or desk, orient the antenna straight up.

• On a vertical surface, such as a wall, orient the antenna straight up.

• On a ceiling, orient the antenna straight down.

Step 3 If you are using another Cisco Aironet antenna, refer to the antenna mounting instructions that came with

your antenna.

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Connecting the 5-GHz External Antennas

The access point supports an RM22A radio module for use with a single antenna or dual diversity antennas. Two RP-TNC antenna connectors are provided on the back of the module for the 5-GHz radio.

Note RP-TNC antenna connectors are used for both the 2.4-GHz and 5-GHz radios. Only connect Cisco

5-GHz antennas with blue labels or blue dots to the 5-GHz antenna connectors (refer to Figure 2-3 for connector locations).

If you are using the RM22A radio module, follow these steps:

Step 1 Attach the Cisco Aironet 5-GHz antenna cable to the Right/Primary 5-GHz (RP-TNC) antenna

connector on the back of the radio module and hand tighten. If you are using two antennas for diversity coverage, attach the second antenna cable to the Left 5-GHz (RP-TNC) antenna connector.

Note The Cisco Aironet antennas have a blue marker label or blue dot near the antenna connector and

the radio module has a corresponding blue label near the 5-GHz antenna connectors.

Step 2 To mount your Cisco Aironet antenna, refer to the instructions that came with your antenna.

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Connecting the Ethernet and Power Cables

The access point receives power through the Ethernet cable or an external power module. Figure 2-4 shows the power options for the access point.

Figure 2-4 Access Point Power Options

The access point power options are listed below:

• A switch with inline power, such as a Cisco Catalyst 3500XL, 3550-24 PWR, 4000, or 6500 switch

• A Cisco Aironet Power Injector (AIR-PWRINJ-FIB or AIR-PWRINJ3)

• An inline power patch panel, such as the Cisco Catalyst Inline Power Patch Panel

• A power module (Universal power supply)

Note Currently, the Catalyst 3550-24 PWR switch supports power for both the 2.4-GHz radio and the 5-GHz

radio. Other switches and power patch panels might not provide enough power for the 5-GHz radio.

Note If you use in-line power, do not connect the power module to the access point. Using two power sources

on the access point might cause the switch to shut down the port to which the access point is connected.

Power

cord

Universal

power supply

S Y

S T

R P S

D U

P L X

M O D E

S P E E

U T I L

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/ B

Switch with

inline power

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Access Point

Switch

(without inline power)

Switch

(without inline power)

Inline Power Patch Panel

Option 1 Option 2 Option 3

Option 4

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Connecting the Ethernet and Power Cables

Connecting to an Ethernet Network with an Inline Power Source

Caution The Cisco Aironet Power Injectors are designed for use with Cisco Aironet access points only. Using the

power injector with other Ethernet-ready devices can damage the equipment.

Caution Only the fiber-optic power injector (AIR-PWRINJ-FIB) has been tested to UL 2043 for operation in a

Follow these steps to connect the access point to the Ethernet LAN when you have an inline power source:

Step 1 Connect the Ethernet cable to the RJ-45 Ethernet connector labeled Ethernet on the access point.

Step 2 Connect the other end of the Ethernet cable to one of the following:

• A switch with inline power, such as a Cisco Catalyst 3500XL, 3550-24 PWR, 4000, or 6500 switch.

• An inline power switch panel, such as a Cisco Catalyst Inline Power Patch Panel.

• The end of a Cisco Aironet power injector labeled To AP/Bridge. Connect the other end labeled To

Network to the 10/100 Ethernet LAN.

Note If you use a power supply or power injector to power the access point, you must use the power supply

included with your access point and the Cisco Aironet Power Injector for the 1100 and 1200 series access points.

Connecting to an Ethernet Network with Local Power

Follow these steps to connect the access point to an Ethernet LAN when you are using a local power source:

Step 1 Connect the Ethernet cable to the RJ-45 Ethernet connector labeled Ethernet on the access point.

Step 2 Plug the other end of the Ethernet cable into an unpowered Ethernet port on your network.

Step 3 Connect the power module’s output connector to the 48-VDC power port labeled 48VDC on the access

point.

Step 4 Plug the other end of the power module into an approved 100- to 240-VAC outlet.

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Chapter 2 Installing the Access Point

Connecting the Ethernet and Power Cables

Powering Up the Access Point

When power is applied to the access point, it begins a routine power-up sequence that you can monitor by observing the three LEDs on top of the access point. After you observe all three LEDs turning green to indicate the starting of the IOS operating system, the Status LED blinks green signifying that IOS is operational. When in an operational status, the Ethernet LED is steady green when no traffic is being passed and dark during periods when traffic is being passed. The sequence takes about 1 minute to complete. Refer to Chapter 9, “Troubleshooting,” for LED descriptions.

When the sequence is complete, you are ready to obtain the access point’s IP address and perform an initial configuration. Refer to Chapter 3, “Configuring the Access Point for the First Time,” for instructions on assigning basic settings to the access point.

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Configuring the Access Point for the First Time

This chapter describes how to configure basic settings on your access point for the first time. The contents of this chapter are similar to the instructions in the quick start guide that shipped with your access point. You can configure all the settings described in this chapter using the CLI, but it might be simplest to browse to the access point’s web-browser interface to complete the initial configuration and then use the CLI to enter additional settings for a more detailed configuration.

This chapter contains these sections:

• Before You Start, page 3-2

• Obtaining and Assigning an IP Address, page 3-3

• Connecting to the Access Point Locally, page 3-4

• Assigning Basic Settings, page 3-4

• Configuring Basic Security Settings, page 3-9

• Assigning an IP Address Using the CLI, page 3-14

• Using a Telnet Session to Access the CLI, page 3-14

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Chapter 3 Configuring the Access Point for the First Time

Before You Start

Before you install the access point, make sure you are using a computer connected to the same network as the access point, and obtain the following information from your network administrator:

• A system name for the access point

• The case-sensitive wireless service set identifier (SSID) for your radio network

• If not connected to a DHCP server, a unique IP address for your access point (such as

172.17.255.115)

• If the access point is not on the same subnet as your PC, a default gateway address and subnet mask

• A Simple Network Management Protocol (SNMP) community name and the SNMP file attribute (if

SNMP is in use)

Resetting the Access Point to Default Settings

Using the Mode Button

If you need to start over during the initial setup process, follow these steps to reset the access point to factory default settings using the access point MODE button:

Step 1 Disconnect power (the power jack for external power or the Ethernet cable for in-line power) from the

access point.

Step 2 Press and hold the MODE button while you reconnect power to the access 2 to 3 seconds), and release

the button. All access point settings return to factory defaults.

Using a Web-browser

Follow these steps to return to default settings using the web-browser interface:

Step 1 Open your Internet browser.

Note The access point web-browser interface is fully compatible with Microsoft Internet Explorer

version 6.0 on Windows 98 and 2000 platforms, and with Netscape version 7.0 on Windows 98, Windows 2000, and Solaris platforms.

Step 2 Enter the access point’s IP address in the browser address line and press Enter. An Enter Network

Password window appears.

Step 3 Enter your username in the User Name field. The default username is Cisco.

Step 4 Enter the access point password in the Password field and press Enter. The default password is Cisco.

The Summary Status page appears.

Step 5 Click System Software and the System Software screen appears.

Step 6 Click System Configuration and the System Configuration screen appears.

Step 7 Click the Reset to Defaults button.

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Chapter 3 Configuring the Access Point for the First Time

Obtaining and Assigning an IP Address

Note If the access point is configured with a static IP address, the IP address does not change.

Default IP Address Behavior

When you connect a 1200 series access point running Cisco IOS Release 12.3(2)JA or later software with a default configuration to your LAN, the access point requests an IP address from your DHCP server and, if it does not receive an IP address, continues to send requests indefinitely.

When you connect a 1200 series access point running Cisco IOS Release 12.2(15)JA2 or earlier software with a default configuration to your LAN, the access point requests an IP address from your DHCP server and, if it does not receive an IP address, the access point assigns a default IP address of 10.0.0.1.

Obtaining and Assigning an IP Address

To browse to the access point’s Express Setup page, you must either obtain or assign the access point’s IP address using one of the following methods:

• Connect to the access point console port and assign a static IP address. Follow the steps in the

“Connecting to the Access Point Locally” section on page 3-4 to connect to the console port.

• Use a DHCP server (if available) to automatically assign an IP address. You can find out the

DHCP-assigned IP address using one of the following methods:

–

Connect to the access point console port and use the show ip interface brief command to display the IP address. Follow the steps in the “Connecting to the Access Point Locally” section

on page 3-4 to connect to the console port.

–

Provide your organization’s network administrator with your access point’s Media Access Control (MAC) address. Your network administrator will query the DHCP server using the MAC address to identify the IP address. The access point’s MAC address is on label attached to the bottom of the access point.

–

Use the CLI to assign an IP address (refer to “Assigning an IP Address Using the CLI” section

on page 3-14).

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Chapter 3 Configuring the Access Point for the First Time

Connecting to the Access Point Locally

If you need to configure the access point locally (without connecting the access point to a wired LAN), you can connect a PC to its console port using a DB-9 to RJ-45 serial cable. Follow these steps to open the CLI by connecting to the access point console port:

Step 1 Connect a nine-pin, female DB-9 to RJ-45 serial cable to the RJ-45 serial port on the access point and

to the COM port on a computer. Figure 3-1 shows the serial port connection.

Figure 3-1 Connecting the Serial Cable

Note The Cisco part number for the DB-9 to RJ-45 serial cable is AIR-CONCAB1200. Browse to

http://www.cisco.com/go/marketplace to order a serial cable.

Step 2 Set up a terminal emulator to communicate with the access point. Use the following settings for the

terminal emulator connection: 9600 baud, 8 data bits, no parity, 1 stop bit, and no flow control.

Note When your configuration changes are completed, you must remove the serial cable from the access point.

Assigning Basic Settings

After you determine or assign the access point’s IP address, you can browse to the access point’s Express Setup page and perform an initial configuration:

Step 1 Open your Internet browser.

Note The access point web-browser interface is fully compatible with Microsoft Internet Explorer

version 6.0 on Windows 98 and 2000 platforms, and with Netscape version 7.0 on Windows 98, Windows 2000, and Solaris platforms.

RJ-45 serial

connector

DB-9 to RJ-45

serial cable

74005

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Chapter 3 Configuring the Access Point for the First Time

Assigning Basic Settings

Step 2 Enter the access point’s IP address in the browser address line and press Enter. An Enter Network

Password screen appears.

Step 3 Press Ta b to bypass the Username field and advance to the Password field.

Step 4 Enter the case-sensitive password Cisco and press Enter. The Summary Status page appears. Figure 3-2

shows the Summary Status page.

Figure 3-2 Summary Status Page

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Assigning Basic Settings

Step 5 Click Express Setup. The Express Setup screen appears. Figure 3-3 shows the Express Setup page.

Figure 3-3 Express Setup Page

Step 6

Enter the configuration settings you obtained from your system administrator. The configurable settings include:

• System Name— The system name, while not an essential setting, helps identify the access point on

your network. The system name appears in the titles of the management system pages.

• Configuration Server Protocol—Click on the button that matches the network’s method of IP

address assignment.

–

DHCP—IP addresses are automatically assigned by your network’s DHCP server.

–

Static IP—The access point uses a static IP address that you enter in the IP address field.

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Assigning Basic Settings

• IP Address—Use this setting to assign or change the access point’s IP address. If DHCP is enabled

for your network, leave this field blank.

Note If the access point’s IP address changes while you are configuring the access point using the

web-browser interface or a Telnet session over the wired LAN, you lose your connection to the access point. If you lose your connection, reconnect to the access point using its new IP address. Follow the steps in the “Resetting the Access Point to Default Settings” section on page 3-2 if you need to start over.

• IP Subnet Mask—Enter the IP subnet mask provided by your network administrator so the IP

address can be recognized on the LAN. If DHCP is enabled, leave this field blank.

• Default Gateway—Enter the default gateway IP address provided by your network administrator.

If DHCP is enabled, leave this field blank.

• Radio Service Set ID (SSID)—Enter the case-sensitive SSID (32 alphanumeric characters

maximum) provided by your network administrator. The SSID is a unique identifier that client devices use to associate with the access point.

• Broadcast SSID in Beacon—Use this setting to allow devices that do not specify an SSID to

associate with the access point.

–

Ye s—This is the default setting; it allows devices that do not specify an SSID to associate with the access point.

–

No—Devices must specify an SSID to associate with the access point. With No selected, the SSID used by the client devices must match exactly the access point’s SSID.

• Role in Radio Network—Click the box (for each radio interface) that describes the role of the

access point on your network.

–

Access Point—(Default) click this box if the unit (also called root access point) is connected to a wired LAN.

–

Repeater— Click this box if the unit (also called repeater non-root) is not connected to the wired LAN and supports wireless clients.

–

Root Bridge—Specifies that the unit is operating as a root bridge and connects directly to the main Ethernet LAN network. In this mode, the unit accepts an association from another Cisco Aironet non-root bridge.

Note In bridge mode (root or non-root), the unit cannot communicate with Cisco Aironet 1400

Series Outdoor Bridges.

Note In root bridge mode, only a point-to-point bridge link is supported.

–

Non-root Bridge—Specifies that the unit is operating as a non-root bridge and connects to a remote LAN network and must associate with a Cisco Aironet root bridge using the wireless interface.

–

Workgroup Bridge—Check this box if your unit (workgroup bridge) is not connected to the wired LAN and supports wired clients.

–

Scanner—This setting is enabled when your product is being used by the Cisco WLSE to monitor wireless data traffic.

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Assigning Basic Settings

• Optimize Radio Network for—Use this setting (for each radio interface) to select either

preconfigured settings for the access point radio or customized settings for the access point radio.

–

Throughput—Maximizes the data volume handled by the access point but might reduce its range.

–

Range—Maximizes the access point’s range but might reduce throughput.

–

Custom—The access point uses settings you enter on the Network Interfaces: Radio-802.11b Settings page. Clicking Custom takes you to the Network Interfaces: Radio-802.11b Settings page.

• Aironet Extensions—Enable this setting (for each radio interface) if there are only Cisco Aironet

devices on your wireless LAN or the unit is configured in repeater mode.

Step 7 Click Apply to save your settings. If you changed the IP address, you lose your connection to the access

point. Browse to the new IP address to reconnect to the access point.

Your access point is now running but probably requires additional configuring to conform to your network’s operational and security requirements. Consult the chapters in this manual for the information you need to complete the configuration.

Note You can restore the access point to its factory defaults by unplugging the power jack and

plugging it back in while holding down the Mode button for a few seconds, or until the Status LED turns amber.

Default Settings on the Express Setup Page

Table 3-1 lists the default settings for the settings on the Express Setup page.

Table 3-1 Default Settings on the Express Setup Page

Setting

Defaults Cisco IOS Release 12.2(15)JA2 or

earlier

Cisco IOS Release 12.3(2)JA or later

System Name or Host Name ap ap

Configuration Server Protocol DHCP DHCP

IP Address Assigned by DHCP by default; if

DHCP is disabled, the default setting is 10.0.0.1

Assigned by DHCP by default

IP Subnet Mask Assigned by DHCP by default; if

DHCP is disabled, the default setting is 255.255.255.224

Assigned by DHCP by default

Default Gateway Assigned by DHCP by default; if

DHCP is disabled, the default setting is 0.0.0.0

Assigned by DHCP by default

Role in Radio Network Access point (root) Access point (root)

Optimize Radio Network for Throughput Throughput

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Configuring Basic Security Settings

Enabling the Radio Interfaces

In Cisco IOS Release 12.3(4)JA and later, the access point radios are disabled by default, and there is no default SSID. You must create an SSID and enable the radios before the access point will allow wireless associations from other devices. These changes to the default configuration improve the security of newly installed access points. Refer to the “Configuring Basic Security Settings” section on page 3-9 for instructions on configuring the SSID.

To enable the radio interfaces, follow these instructions:

Step 1 Use your internet browser to access your access point.

Step 2 When the Summary Status page displays, click Network Interfaces > Radio0-802.11b or Network

Interfaces > Radio0-802.11g and the radio status page displays.

Step 3 Click Settings and the radio settings page displays.

Step 4 Click Enable in the Enable Radio field.

Step 5 Click Apply.

Step 6 Click Radio1-802.11A and the radio status page displays.

Step 7 Repeat Steps 3 to 5.

Step 8 Close your internet browser.

Configuring Basic Security Settings

After you assign basic settings to your access point, you must configure security settings to prevent unauthorized access to your network. Because it is a radio device, the access point can communicate beyond the physical boundaries of your building.

Just as you use the Express Setup page to assign basic settings, you can use the Express Security page (Cisco IOS Release 12.2(15)JA and later) to create unique SSIDs and assign one of four security types to them. For detail security information, refer to the Cisco IOS Software Configuration Guide for Cisco

Aironet Access Points.

Aironet Extensions Enable Enable

SNMP Community defaultCommunity defaultCommunity

1. If a 1200 series access point running Cisco IOS Release 12.3(2)JA or later software with a default configuration does not receive an IP address from your DHCP server, it continues to send DHCP requests indefinitely.

Table 3-1 Default Settings on the Express Setup Page (continued)

Setting

Defaults Cisco IOS Release 12.2(15)JA2 or

earlier

Cisco IOS Release 12.3(2)JA or later

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Configuring Basic Security Settings

Figure 3-4 shows the Express Security page.

Figure 3-4 Express Security Page

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Configuring Basic Security Settings

Understanding Express Security Settings

When the access point configuration is at factory defaults, the first SSID that you create by using the Express Security page overwrites the default SSID (tsunami), which has no security settings. The SSIDs that you create appear in the SSID table at the bottom of the page. You can create up to 16 SSIDs on the access point.

Note In Cisco IOS Release 12.3(4)JA and later, there is no default SSID. You must configure an SSID before

client devices can associate to the access point.

Using VLANs

If you use VLANs on your wireless LAN and assign SSIDs to VLANs, you can create multiple SSIDs by using any of the four security settings on the Express Security page. However, if you do not use VLANs on your wireless LAN, the security options that you can assign to SSIDs are limited because on the Express Security page encryption settings and authentication types are linked. Without VLANs, encryption settings (WEP and ciphers) apply to an interface, such as the radio, and you cannot use more than one encryption setting on an interface. For example, when you create an SSID with static WEP with VLANs disabled, you cannot create additional SSIDs with WPA authentication because they use different encryption settings. If you find that the security setting for an SSID conflicts with another SSID, you can delete one or more SSIDs to eliminate the conflict.

If any VLANs are defined on the access point, the trunk port on the switch must be limited to allow only the VLANs defined on the access point.

Express Security Types

Table 3-2 describes the four security types that you can assign to an SSID.

Table 3-2 Security Types on Express Security Setup Page

Security Type Description Security Features Enabled

No Security This is the least secure option. You should

use this option only for SSIDs used in a public space and assign it to a VLAN that restricts access to your network.

None.

Static WEP Key This option is more secure than no security.

However, static WEP keys are vulnerable to attack. If you configure this setting, you should consider limiting association to the bridge based on MAC address (refer to the

Cisco IOS Software Configuration Guide for Cisco Aironet Access Points).

Mandatory WEP. Client devices cannot associate using this SSID without a WEP key that matches the bridge’s key.

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Configuring Basic Security Settings

Express Security Limitations

Because the Express Security page is designed for simple configuration of basic security, the options available are a subset of the bridge’s security capabilities. Keep these limitations in mind when using the Express Security page:

• If the No VLAN option is selected, the static WEP key can be configured once. If you select Enable

VLAN, the static WEP key should be disabled.

• You cannot edit SSIDs. However, you can delete SSIDs and re-create them.

• You cannot assign SSIDs to specific radio interfaces. The SSIDs that you create are enabled on all

radio interfaces. To assign SSIDs to specific radio interfaces, use the Security SSID Manager page.

• You cannot configure multiple authentication servers. To configure multiple authentication servers,

use the Security Server Manager page.

• You cannot configure multiple WEP keys. To configure multiple WEP keys, use the Security

Encryption Manager page.

• You cannot assign an SSID to a VLAN that is already configured on the bridge. To assign an SSID

to an existing VLAN, use the Security SSID Manager page.

• You cannot configure combinations of authentication types on the same SSID (for example, MAC

address authentication and EAP authentication). To configure combinations of authentication types, use the Security SSID Manager page.

Note For detailed information about security and security settings, refer to the Cisco IOS Software

Configuration Guide for Cisco Aironet Access Points.

EAP Authentication

This option enables 802.1x authentication (such as LEAP, PEAP, EAP-TLS, EAP-GTC, EAP-SIM, and others) and requires you to enter the IP address and shared secret for an authentication server on your network (server authentication port

1645). Because 802.1x authentication provides dynamic encryption keys, you do not need to enter a WEP key.

Mandatory 802.1x authentication. Client devices that associate using this SSID must perform 802.1x authentication.

WPA Wi-Fi Protected Access (WPA) permits

wireless access to users authenticated against a database through the services of an authentication server, then encrypts their IP traffic with stronger algorithms than those used in WEP. As with EAP authentication, you must enter the IP address and shared secret for an authentication server on your network (server authentication port 1645).

Mandatory WPA authentication. Client devices that associate using this SSID must be WPA-capable.

Table 3-2 Security Types on Express Security Setup Page (continued)

Security Type Description Security Features Enabled

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Configuring Basic Security Settings

Using the Express Security Page

Follow these steps to create an SSID using the Express Security page:

Step 1 Type the SSID in the SSID entry field. The SSID can contain up to 32 alphanumeric characters.

Note These characters are not allowed in the SSID: ", /, \, ], +, tab, and a trailing space character.

Step 2 To broadcast the SSID in the bridge beacon, check the Broadcast SSID in Beacon check box. When you

broadcast the SSID, devices that do not specify an SSID can associate to the bridge. This is a useful option for an SSID used by guests or by client devices in a public space. If you do not broadcast the SSID, client devices cannot associate to the bridge unless their SSID matches this SSID. Only one SSID can be included in the bridge beacon.

Step 3 (Optional) Check the Enable VLAN ID check box and enter a VLAN number (1 through 4095) to assign

the SSID to a VLAN. You cannot assign an SSID to an existing VLAN.

Step 4 (Optional) Check the Native VLAN check box to mark the VLAN as the native VLAN.

Step 5 Select the security setting for the SSID. The settings are listed in order of robustness, from No Security

to WPA, which is the most secure setting.

• If you select Static WEP Key, choose the key number and encryption key size and enter the

encryption key (10 hexadecimaldecimal characters for 40-bit keys or 26 hexadecimaldecimal characters for 128-bit keys).

• If you select EAP Authentication or WPA, enter the IP address and shared secret for the

authentication server on your network.

Note If you do not use VLANs on your wireless LAN, the security options that you can assign to

multiple SSIDs are limited. Refer to the Cisco IOS Software Configuration Guide for Cisco Aironet Access Points for VLAN details.

Step 6 Click Apply. The SSID appears in the SSID table at the bottom of the page.

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Chapter 3 Configuring the Access Point for the First Time

Assigning an IP Address Using the CLI

When you connect the access point to the wired LAN, the access point links to the network using a bridge virtual interface (BVI) that it creates automatically. Instead of tracking separate IP addresses for the access point’s Ethernet and radio ports, the network uses the BVI.

When you assign an IP address to the access point using the CLI, you must assign the address to the BVI. Beginning in privileged EXEC mode, follow these steps to assign an IP address to the access point’s BVI:

Using a Telnet Session to Access the CLI

Follow these steps to browse to access the CLI using a Telnet session. These steps are for a PC running Microsoft Windows with a Telnet terminal application. Check your PC operating instructions for detailed instructions for your operating system.

Step 1 Select Start > Programs > Accessories > Telnet.

If Telnet is not listed in your Accessories menu, select Start > Run, type Tel ne t in the entry field, and press Enter.

Step 2 When the Telnet window appears, click Connect and select Remote System.

Note In Windows 2000, the Telnet window does not contain drop-down menus. To start the Telnet

session in Windows 2000, type open followed by the access point’s IP address.

Step 3 In the Host Name field, type the access point’s IP address and click Connect.

Command Purpose

Step 1

configure terminal Enter global configuration mode.

Step 2

interface bvi1 Enter interface configuration mode for the BVI.

Step 3

ip address address mask

Assign an IP address and address mask to the BVI.

Note If you are connected to the access point using a Telnet

session, you lose your connection to the access point when you assign a new IP address to the BVI. If you need to continue configuring the access point using Telnet, use the new IP address to open another Telnet session to the access point.

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Using the Web-Browser Interface

This chapter describes the web-browser interface that you can use to configure the access point. It contains these sections:

• Using the Web-Browser Interface for the First Time, page 4-2

• Using the Management Pages in the Web-Browser Interface, page 4-2

• Using Online Help, page 4-5

The web-browser interface contains management pages that you use to change access point settings, upgrade firmware, and monitor and configure other wireless devices on the network.

Note The access point web-browser interface is fully compatible with Microsoft Internet Explorer version 6.0

on Windows 98 and 2000 platforms, and with Netscape version 7.0 on Windows 98, Windows 2000, and Solaris platforms.

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Chapter 4 Using the Web-Browser Interface

Using the Web-Browser Interface for the First Time

Use the access point’s IP address to browse to the management system. See the “Obtaining and

Assigning an IP Address” section on page 3-3 for instructions on assigning an IP address to the access

point.

Note The access point web-browser interface is fully compatible with Microsoft Internet Explorer version 6.0

on Windows 98 and 2000 platforms, and with Netscape version 7.0 on Windows 98, Windows 2000, and Solaris platforms. .

Follow these steps to begin using the web-browser interface:

Step 1 Start the browser.

Step 2 Enter the access point’s IP address in the browser address line and press Enter. The Summary Status

page appears.

Using the Management Pages in the Web-Browser Interface

The system management pages use consistent techniques to present and save configuration information. A navigation bar is on the left side of the page, and configuration action buttons appear at the bottom. You use the navigation bar to browse to other management pages, and you use the configuration action buttons to save or cancel changes to the configuration.

Note Changes are applied only when you click Apply. It’s important to remember that clicking your browser’s

Back button returns you to the previous page without saving any changes you have made. Clicking Cancel cancels any changes you made on the page and keeps you on that page.

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Chapter 4 Using the Web-Browser Interface

Using the Management Pages in the Web-Browser Interface

Figure 4-1 shows the web-browser interface home page.

Figure 4-1 Web-Browser Interface Home Page

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Chapter 4 Using the Web-Browser Interface

Using the Management Pages in the Web-Browser Interface

Using Action Buttons

Table 4-1 lists the page links and buttons that appear on most management pages.

Table 4-1 Common Buttons on Management Pages

Button/Link Description

Navigation Links

Home Displays access point status page with information on the number of radio

devices associated to the access point, the status of the Ethernet and radio interfaces, and a list of recent access point activity.

Express Setup Displays the Express Setup page that includes basic settings such as system

name, IP address, and SSID.

Network Map Displays a list of infrastructure devices on your wireless LAN.

Association Displays a list of all devices on your wireless LAN, listing their system names,

network roles, and parent-client relationships.

Network Interfaces Displays status and statistics for the Ethernet and radio interfaces and provides

links to configuration pages for each interface.

Security Displays a summary of security settings and provides links to security

configuration pages.

Services Displays status for several access point features and links to configuration

pages for Telnet/SSH, CDP, domain name server, filters, proxy Mobile IP, QoS, SNMP, SNTP, and VLANs.

System Software Displays the version number of the firmware that the access point is running

and provides links to configuration pages for upgrading and managing firmware.

Event Log Displays the access point event log and provides links to configuration pages

where you can select events to be included in traps, set event severity levels, and set notification methods.

Configuration Action Buttons

Apply Saves changes made on the page and remains on the page.

Refresh Updates status information or statistics displayed on a page.

Cancel Discards changes to the page and remains on the page.

Back Discards any changes made to the page and returns to the previous page.

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Chapter 4 Using the Web-Browser Interface

Using Online Help

Character Restrictions in Entry Fields

Because the 1200 series access point uses Cisco IOS software, there are certain characters that you cannot use in the entry fields on the web-browser interface. Tab le 4-2 lists the prohibited characters and the fields in which you cannot use them.

Using Online Help

Click the help icon at the top of any page in the web-browser interface to display online help. Figure 4-2 shows the print and help icons.

Figure 4-2 Print and Help Icons

When a help page appears in a new browser window, use the Select a topic drop-down menu to display the help index or instructions for common configuration tasks, such as configuring VLANs.

Table 4-2 Prohibited Characters for Web-Browser Interface Entry Fields

Entry Field Type Prohibited Characters

Password entry fields ?

$ [ +

Tab character

SSID entry fields +

] / ”

Tab character Trailing space character

All other entry fields ?

“ $ [ +

You also cannot use these three characters as the first character in an entry field:

! # ;

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Using Online Help

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Using the Command-Line Interface

This chapter describes the Cisco IOS command-line interface (CLI) that you can use to configure your access point. It contains these sections:

• Cisco IOS Command Modes, page 5-2

• Getting Help, page 5-3

• Abbreviating Commands, page 5-3

• Using no and default Forms of Commands, page 5-3

• Understanding CLI Messages, page 5-4

• Using Command History, page 5-4

• Using Editing Features, page 5-5

• Searching and Filtering Output of show and more Commands, page 5-8

• Accessing the CLI, page 5-8

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Chapter 5 Using the Command-Line Interface

Cisco IOS Command Modes

The Cisco IOS user interface is divided into many different modes. The commands available to you depend on which mode you are currently in. Enter a question mark (?) at the system prompt to obtain a list of commands available for each command mode.

When you start a session on the access point, you begin in user mode, often called user EXEC mode. Only a limited subset of the commands are available in user EXEC mode. For example, most of the user EXEC commands are one-time commands, such as show commands, which show the current configuration status, and clear commands, which clear counters or interfaces. The user EXEC commands are not saved when the access point reboots.

To have access to all commands, you must enter privileged EXEC mode. Normally, you must enter a password to enter privileged EXEC mode. From this mode, you must enter privileged EXEC mode before you can enter the global configuration mode.

Using the configuration modes (global, interface, and line), you can make changes to the running configuration. If you save the configuration, these commands are stored and used when the access point reboots. To access the various configuration modes, you must start at global configuration mode. From global configuration mode, you can enter interface configuration mode and line configuration mode.

Tabl e 5 -1 describes the main command modes, how to access each one, the prompt you see in that mode, and

how to exit the mode. The examples in the table use the host name ap.

Table 5-1 Command Mode Summary

Mode Access Method Prompt Exit Method About This Mode

User EXEC Begin a session with

your access point.

ap>

Enter logout or quit. Use this mode to:

• Change terminal settings

• Perform basic tests

• Display system

information

Privileged EXEC While in user EXEC

mode, enter the enable command.

ap#

Enter disable to exit. Use this mode to verify

commands. Use a password to protect access to this mode.

Global configuration While in privileged

EXEC mode, enter the configure command.

ap(config)#

To exit to privileged EXEC mode, enter exit or end, or press Ctrl-Z.

Use this mode to configure parameters that apply to the entire access point.

Interface configuration

While in global configuration mode, enter the interface command (with a specific interface).

ap(config-if)#

To exit to global configuration mode, enter exit. To return to privileged EXEC mode, press Ctrl-Z or enter end.

Use this mode to configure parameters for the Ethernet and radio interfaces. The

2.4-GHz radio is radio 0, and the 5-GHz radio is radio 1.

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Chapter 5 Using the Command-Line Interface

Getting Help

You can enter a question mark (?) at the system prompt to display a list of commands available for each command mode. You can also obtain a list of associated keywords and arguments for any command, as shown in Table 5-2 .

Abbreviating Commands

You have to enter only enough characters for the access point to recognize the command as unique. This example shows how to enter the show configuration privileged EXEC command:

ap# show conf

Using no and default Forms of Commands

Most configuration commands also have a no form. In general, use the no form to disable a feature or function or reverse the action of a command. For example, the no shutdown interface configuration command reverses the shutdown of an interface. Use the command without the keyword no to re-enable a disabled feature or to enable a feature that is disabled by default.

Table 5-2 Help Summary

Command Purpose

help Obtains a brief description of the help system in any command mode.

abbreviated-command-entry? Obtains a list of commands that begin with a particular character string.

For example:

ap# di? dir disable disconnect

abbreviated-command-entry<Tab> Completes a partial command name.

For example:

ap# sh conf<tab> ap# show configuration

? Lists all commands available for a particular command mode.

For example:

ap> ?

command ? Lists the associated keywords for a command.

For example:

ap> show ?

command keyword ? Lists the associated arguments for a keyword.

For example:

ap(config)# cdp holdtime ? <10-255> Length of time (in sec) that receiver must keep this packet

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Understanding CLI Messages

Configuration commands can also have a default form. The default form of a command returns the command setting to its default. Most commands are disabled by default, so the default form is the same as the no form. However, some commands are enabled by default and have variables set to certain default values. In these cases, the default command enables the command and sets variables to their default values.

Understanding CLI Messages

Table 5-3 lists some error messages that you might encounter while using the CLI to configure your

access point.

Using Command History

The Cisco IOS provides a history or record of commands that you have entered. This feature is particularly useful for recalling long or complex commands or entries, including access lists. You can customize the command history feature to suit your needs as described in these sections:

• Changing the Command History Buffer Size, page 5-4

• Recalling Commands, page 5-5

• Disabling the Command History Feature, page 5-5

Changing the Command History Buffer Size

By default, the access point records ten command lines in its history buffer. Beginning in privileged EXEC mode, enter this command to change the number of command lines that the access point records during the current terminal session:

ap# terminal history [size number-of-lines]

Table 5-3 Common CLI Error Messages

Error Message Meaning How to Get Help

% Ambiguous command: "show con"

You did not enter enough characters for your access point to recognize the command.

Re-enter the command followed by a question mark (?) with a space between the command and the question mark.

The possible keywords that you can enter with the command are displayed.

% Incomplete command.

You did not enter all the keywords or values required by this command.

Re-enter the command followed by a question mark (?) with a space between the command and the question mark.

The possible keywords that you can enter with the command are displayed.

% Invalid input detected at ‘^’ marker.

You entered the command incorrectly. The caret (^) marks the point of the error.

Enter a question mark (?) to display all the commands that are available in this command mode.

The possible keywords that you can enter with the command are displayed.

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Using Editing Features

The range is from 0 to 256.

Beginning in line configuration mode, enter this command to configure the number of command lines the access point records for all sessions on a particular line:

ap(config-line)# history [size number-of-lines]

The range is from 0 to 256.

Recalling Commands

To recall commands from the history buffer, perform one of the actions listed in Table 5-4:

Disabling the Command History Feature

The command history feature is automatically enabled.

To disable the feature during the current terminal session, enter the terminal no history privileged EXEC command.

To disable command history for the line, enter the no history line configuration command.

Using Editing Features

This section describes the editing features that can help you manipulate the command line. It contains these sections:

• Enabling and Disabling Editing Features, page 5-6

• Editing Commands Through Keystrokes, page 5-6

• Editing Command Lines that Wrap, page 5-7

Table 5-4 Recalling Commands

Action

1. The arrow keys function only on ANSI-compatible terminals such as VT100s.

Result

Press Ctrl-P or the up arrow key. Recall commands in the history buffer, beginning with the most recent command.

Repeat the key sequence to recall successively older commands.

Press Ctrl-N or the down arrow key. Return to more recent commands in the history buffer after recalling commands

with Ctrl-P or the up arrow key. Repeat the key sequence to recall successively more recent commands.

show history While in privileged EXEC mode, list the last several commands that you just

entered. The number of commands that are displayed is determined by the setting of the terminal history global configuration command and history line configuration command.

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Using Editing Features

Enabling and Disabling Editing Features

Although enhanced editing mode is automatically enabled, you can disable it.

To re-enable the enhanced editing mode for the current terminal session, enter this command in privileged EXEC mode:

ap# terminal editing

To reconfigure a specific line to have enhanced editing mode, enter this command in line configuration mode:

ap(config-line)# editing

To globally disable enhanced editing mode, enter this command in line configuration mode:

ap(config-line)# no editing

Editing Commands Through Keystrokes

Table 5-5 shows the keystrokes that you need to edit command lines.

Table 5-5 Editing Commands Through Keystrokes

Capability Keystroke

Purpose

Move around the command line to make changes or corrections.

Ctrl-B or the left arrow key

Move the cursor back one character.

Ctrl-F or the right arrow key

Move the cursor forward one character.

Ctrl-A Move the cursor to the beginning of the command line.

Ctrl-E Move the cursor to the end of the command line.

Esc B Move the cursor back one word.

Esc F Move the cursor forward one word.

Ctrl-T Transpose the character to the left of the cursor with the

character located at the cursor.

Recall commands from the buffer and paste them in the command line. The access point provides a buffer with the last ten items that you deleted.

Ctrl-Y Recall the most recent entry in the buffer.

Esc Y Recall the next buffer entry.

The buffer contains only the last 10 items that you have deleted or cut. If you press Esc Y more than ten times, you cycle to the first buffer entry.

Delete entries if you make a mistake or change your mind.

Delete or Backspace Erase the character to the left of the cursor.

Ctrl-D Delete the character at the cursor.

Ctrl-K Delete all characters from the cursor to the end of the

command line.

Ctrl-U or Ctrl-X Delete all characters from the cursor to the beginning of

the command line.

Ctrl-W Delete the word to the left of the cursor.

Esc D Delete from the cursor to the end of the word.

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Using Editing Features

Editing Command Lines that Wrap

You can use a wraparound feature for commands that extend beyond a single line on the screen. When the cursor reaches the right margin, the command line shifts ten spaces to the left. You cannot see the first ten characters of the line, but you can scroll back and check the syntax at the beginning of the command.

To scroll back to the beginning of the command entry, press Ctrl-B or the left arrow key repeatedly. You can also press Ctrl-A to immediately move to the beginning of the line.

Note The arrow keys function only on ANSI-compatible terminals such as VT100s.

In this example, the access-list global configuration command entry extends beyond one line. When the cursor first reaches the end of the line, the line is shifted ten spaces to the left and redisplayed. The dollar sign ($) shows that the line has been scrolled to the left. Each time the cursor reaches the end of the line, the line is again shifted ten spaces to the left.

ap(config)# access-list 101 permit tcp 131.108.2.5 255.255.255.0 131.108.1 ap(config)# $ 101 permit tcp 131.108.2.5 255.255.255.0 131.108.1.20 255.25 ap(config)# $t tcp 131.108.2.5 255.255.255.0 131.108.1.20 255.255.255.0 eq ap(config)# $108.2.5 255.255.255.0 131.108.1.20 255.255.255.0 eq 45

Capitalize or lowercase words or capitalize a set of letters.

Esc C Capitalize at the cursor.

Esc L Change the word at the cursor to lowercase.

Esc U Capitalize letters from the cursor to the end of the word.

Designate a particular keystroke as an executable command, perhaps as a shortcut.

Ctrl-V or Esc Q

Scroll down a line or screen on displays that are longer than the terminal screen can display.

Note The More prompt appears for

output that has more lines than can be displayed on the terminal screen, including show command output. You can use the Return and Space bar keystrokes whenever you see the

prompt.

Return Scroll down one line.

Space Scroll down one screen.

Redisplay the current command line if the access point suddenly sends a message to your screen.

Ctrl-L or Ctrl-R Redisplay the current command line.

1. The arrow keys function only on ANSI-compatible terminals such as VT100s.

Table 5-5 Editing Commands Through Keystrokes (continued)

Capability Keystroke

Purpose

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Searching and Filtering Output of show and more Commands

After you complete the entry, press Ctrl-A to check the complete syntax before pressing the Return key to execute the command. The dollar sign ($) appears at the end of the line to show that the line has been scrolled to the right:

ap(config)# access-list 101 permit tcp 131.108.2.5 255.255.255.0 131.108.1$

The software assumes you have a terminal screen that is 80 columns wide. If you have a width other than that, use the terminal width privileged EXEC command to set the width of your terminal.

Use line wrapping with the command history feature to recall and modify previous complex command entries. For information about recalling previous command entries, see the “Editing Commands Through

Keystrokes” section on page 5-6.

Searching and Filtering Output of show and more Commands

You can search and filter the output for show and more commands. This is useful when you need to sort through large amounts of output or if you want to exclude output that you do not need to see.

To use this functionality, enter a show or more command followed by the pipe character (|), one of the keywords begin, include, or exclude, and an expression that you want to search for or filter out:

command | {begin | include | exclude} regular-expression

Expressions are case sensitive. For example, if you enter | exclude output, the lines that contain output are not displayed, but the lines that contain Output are displayed.

This example shows how to include in the output display only lines where the expression protocol appears:

ap# show interfaces | include protocol Vlan1 is up, line protocol is up Vlan10 is up, line protocol is down GigabitEthernet0/1 is up, line protocol is down GigabitEthernet0/2 is up, line protocol is up

Accessing the CLI

You can open the access point’s CLI using Telnet or Secure Shell (SSH).

Opening the CLI with Telnet

Follow these steps to open the CLI with Telnet. These steps are for a PC running Microsoft Windows with a Telnet terminal application. Check your PC operating instructions for detailed instructions for your operating system.

Step 1 Select Start > Programs > Accessories > Telnet.

If Telnet is not listed in your Accessories menu, select Start > Run, type Tel ne t in the entry field, and press Enter.

Step 2 When the Telnet window appears, click Connect and select Remote System.

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Accessing the CLI

Note In Windows 2000, the Telnet window does not contain drop-down menus. To start the Telnet

session in Windows 2000, type open followed by the access point’s IP address.

Step 3 In the Host Name field, type the access point’s IP address and click Connect.

Step 4 At the username and password prompts, enter your administrator username and password. The default

username is Cisco, and the default password is Cisco. The default enable password is also Cisco. Usernames and passwords are case-sensitive.

Opening the CLI with Secure Shell

Secure Shell Protocol is a protocol that provides a secure, remote connection to networking devices set up to use it. Secure Shell (SSH) is a software package that provides secure login sessions by encrypting the entire session. SSH features strong cryptographic authentication, strong encryption, and integrity protection. For detailed information on SSH, visit the homepage of SSH Communications Security, Ltd. at this URL: http://www.ssh.com/

SSH provides more security for remote connections than Telnet by providing strong encryption when a device is authenticated. See the Cisco IOS Software Configuration Guide for Cisco Aironet Access Points for detailed instructions on setting up the access point for SSH access.

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Mounting Instructions

This appendix provides instructions for mounting the access point to suspended ceilings, vertical surfaces, or horizontal surfaces using the access point mounting bracket.

The following sections are included in this chapter:

• Overview, page 6-2

• Mounting on a Horizontal or Vertical Surface, page 6-3

• Mounting Below a Suspended Ceiling, page 6-4

• Mounting Above a Suspended Ceiling, page 6-5

• Attaching the Access Point to the Mounting Bracket, page 6-7

• Securing the Access Point to the Mounting Bracket, page 6-7

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Chapter 6 Mounting Instructions

Overview

You can mount the access point on any of the following surfaces:

• Horizontal or vertical flat surfaces, such as walls or ceilings

• Suspended ceilings

The access point ships with a detachable mounting bracket and the necessary mounting hardware. Because it is detachable, you can use the mounting bracket as a template to mark the positions of the mounting holes for your installation. You then install the mounting bracket and attach the access point when you are ready. Refer to Figure 6-1 to locate the various mounting holes for the method you intend to use.

Figure 6-1 Mounting Bracket

Note The Cisco Aironet 1200 Series Access Point provides adequate fire resistance and low smoke-producing

characteristics suitable for operation in a building's environmental air space (such as above suspended ceilings) in accordance with Section 300-22(C) of the National Electrical Code (NEC).

Caution Only the fiber-optic power injector (AIR-PWRINJ-FIB) has been tested to UL 2043 for operation in a

Note If you plan to mount the access point in environmental air space and will upgrade to a 5-GHz radio, Cisco

recommends that you mount the access point horizontally with its antennas pointing down. Doing so will result in the access point complying with regulatory requirements for environmental air space after the 5-GHz radio is installed.

1 Access point mount 5 Locking detent 2 Cable tie points 6 Wall cable access 3 Ceiling mount holes 7 Suspended ceiling cable access 4 Access point mounts 8 Security hasp

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Mounting on a Horizontal or Vertical Surface

Note When mounting the access point in a building’s environmental air space, you must use Ethernet cable

suitable for operation in environmental air space in accordance with Section 300-22(C) of the National Electrical Code (NEC).

A mounting hardware kit is provided that contains the hardware and fasteners necessary to mount the access point. Refer to the Table 6-1 to identify the materials you need to mount your access point, then go to the section containing the specific mounting procedure.

Mounting on a Horizontal or Vertical Surface

Follow these steps to mount the access point on a horizontal or vertical surface.

Step 1 Use the mounting bracket as a template to mark the locations of the four mounting holes.

Step 2 Drill one of the following sized holes at the locations you marked:

• 3/16 in. (4.7 mm) if you are using wall anchors

• 1/8 in. (6.3 mm) if you are not using wall anchors

Step 3 Install the anchors into the wall if you are using them. Otherwise, go to Step 4.

Step 4 Secure the mounting bracket to the surface using the #8 fasteners.

Note On a vertical surface, mount the bracket with its security hasp facing down.

Step 5 Attach the access point to the mounting bracket.

Note You can make your installation more secure by mounting it to a stud or major structural member

and using the appropriate fasteners.

Table 6-1 Material Needed to Mount Access Point

Mounting Method Materials Required In Kit

Horizontal or vertical surface Four #8 x 1 in. (25.4 mm) screws

Four wall anchors 3/16 in. (4.7 mm) or 3/32 in. (2.3 mm) drill bit Drill Standard screwdriver

Yes Yes No No No

Suspended ceiling Two T-rail clips with studs

Two plastic spacers Two 1/4–20 Keps nuts with built-in washers Standard screwdriver Appropriate wrench or pliers

Yes Yes Yes No No

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Mounting Below a Suspended Ceiling

Note To comply with NEC code, a #10-24 grounding lug is provided on the mounting bracket.

You should review Figure 6-2 before beginning the mounting process.

Figure 6-2 Mounting Bracket Parts

Follow these steps to mount your access point on a suspended ceiling:

Step 1 Decide where you want to mount the access point.

Step 2 Attach two T-rail clips to the suspended ceiling T-rail.

Step 3 Use the mounting bracket to adjust the distance between the T-rail clips so that they align with the holes

in the mounting bracket.

Step 4 Use a standard screwdriver to tighten the T-rail clip studs in place on the suspended ceiling T-rail. Do

not overtighten.

Step 5 Install a plastic spacer on each T-rail clip stud. The spacer’s legs should contact the suspended ceiling

T-ra il .

Step 6 Attach the mounting bracket to the T-rail clip studs and start a Keps nut on each stud.

1 Suspended ceiling T-rail 4 Mounting bracket 2 T-rail clips 5 Keps nut (contains an attached lock washer) 3 Plastic spacer

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Mounting Above a Suspended Ceiling

Step 7 Use a wrench or pliers to tighten the Keps nuts. Do not overtighten.

Step 8 Attach the access point to the mounting bracket.

Mounting Above a Suspended Ceiling

The access point mounting bracket is designed to be integrated into the T-bar grid above the tiles of a suspended ceiling. Using a T-bar box hanger and bracket mounting clip (not supplied) such as the Erico 512A and BHC, you orient the access point antenna just above the top surface of a standard ceiling tile. You may need to modify a thicker tile to allow room for the antenna.

Caution Only the fiber-optic power injector (AIR-PWRINJ-FIB) has been tested to UL 2043 for operation in a

It may be helpful to refer to Figure 6-3 before proceeding.

Figure 6-3 Mounting Bracket Parts

Suspended ceiling T-rail

Bracket mounting clip

T-rail clip

Access point mounting bracket

Height adjustment screw

Access point

T-bar box hanger

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Chapter 6 Mounting Instructions

Mounting Above a Suspended Ceiling

The bracket mounting clip requires the use of an access point mounting bracket (700-13520-03) with two extra holes (see Figure 6-4).

Figure 6-4 Mounting Bracket Holes

Follow these steps to mount the access point above a suspended ceiling.

Step 1 Insert the bracket mounting clip’s tab into the large hole on the access point mounting bracket.

Step 2 Place the clip over the T-bar box hanger and secure it to the access point mounting bracket (see

Figure 6-5) with the 1/4-20 fastener (supplied with the T-bar hanger).

Figure 6-5 Access Point Mounting Bracket

Note The illustration shows the access point mounting bracket mounted perpendicular to the T-bar box

hanger. You can also mount the bracket parallel to the T-bar box hanger.

Step 3 Determine the location in the ceiling where you will mount the access point and remove an adjacent

ceiling tile.

Step 4 Orient the access point 2-GHz antennas so that they are pointing down when mounted on the T-bar Box

hanger. Orient the 5-GHz antenna for patch or omnidirectional operation as desired.

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Attaching the Access Point to the Mounting Bracket

Step 5 Adjust the height of the T-bar box hanger to provide antenna clearance above the ceiling tile using the

height adjusting screws (refer to Figure 6-3).

Step 6 Attach the T-rail clips on each end of the T-bar box hanger to the ceiling grid T-rails. Make sure the clips

are securely attached to the T-rails.

Step 7 Connect a drop wire to a building structural element and through the hole provided in the bracket

mounting clip. This additional support is required in order to comply with the U.S. National Electrical Safety Code.

Step 8 Attach the access point to the access point mounting bracket (refer to the “Attaching the Access Point to

the Mounting Bracket” section.

Step 9 Connect the Ethernet cables to the access point.

Step 10 If you need additional security, you can secure the access point to a nearby immovable object using a

Kensington lock and security cable.

Step 11 Verify that the access point is operating before replacing the ceiling tile.

Attaching the Access Point to the Mounting Bracket

Follow these steps to attach the access point to the mounting bracket:

Step 1 Line up the three mounting pins on the access point with the large ends of the keyhole-shaped holes on

the mounting bracket.

Step 2 Insert the access point into the keyhole shaped holes and maintain a slight pressure to hold it in place.

Step 3 Slide the access point’s mounting pins into the small ends of the keyhole-shaped holes on the mounting

bracket and push the connector end of the access point. You will hear a click when the locking detent contacts the access point and locks it into place.

Step 4 Attach and adjust the antenna(s) or antenna cables.

Step 5 Connect the Ethernet cable to the access point’s Ethernet port.

Step 6 If using local power, insert the 1200 series power module cable connector into the access point’s 48-VDC

power port.

Securing the Access Point to the Mounting Bracket

The security hasp on the mounting bracket enables you to lock the access point to the bracket to make it more secure. When the access point is properly installed on the mounting bracket, the holes in the security hasps line up so you can install a padlock.

Known compatible padlocks are Master Lock models 120T or 121T.

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2.4-GHz Radio Upgrade

This chapter provides upgrade instructions for the 2.4-GHz (IEEE 802.11b or IEEE 802.11g) radio card and includes the following sections:

• Upgrade Overview, page 7-2

• Opening the Access Cover, page 7-3

• Removing a Blank Spacer Card, page 7-4

• Removing a 2.4-GHz Radio, page 7-5

• Installing a 2.4-GHz Radio, page 7-7

• Finding the Software Version, page 7-10

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Chapter 7 2.4-GHz Radio Upgrade

Upgrade Overview

This section provides instructions for upgrading the access point 2.4-GHz radio.

Caution Your access point must be running Cisco IOS Release 12.2(13)JA or later before you upgrade to the IEEE

802.11g radio, otherwise your access point may not be able to complete the boot sequence until the radio is removed. For additional information, refer to the “Finding the Software Version” section on page 7-10.

The following operations summarize the upgrade procedure:

1. Remove all cables and power connections from the access point.

2. Follow standard electrostatic discharge (ESD) procedures.

3. Place the access point on an ESD-protected work surface.

4. Open the access point’s 2.4-GHz radio access cover.

5. For an access point without a 2.4-GHz radio feature, remove the blank spacer card.

6. For an access point with a 2.4-GHz radio feature, remove the existing 2.4-GHz radio card.

7. Install the new 2.4-GHz radio card.

8. Close the access point 2.4-GHz radio access cover.

Caution ESD can damage the Cisco Aironet radio and the internal components of the access point. It is

recommended that the 2.4-GHz radio upgrade procedures be performed by an ESD-trained service technician at an ESD-protected workstation.

Note After you install the new radio, all configurable radio settings will be at default values. Refer to the Cisco

IOS Software Configuration Guide for Cisco Aironet Access Points for complete instructions on

configuring the new radio.

Unpacking the Radio

Each 2.4-GHz radio is shipped with the following items:

• Quick start guide

• A product registration card

• A T-10 tamper-resistant Torx L-wrench

• A 1200 series access point 2.4-GHz radio compliance label

Note The IEEE 802.11g radio also contains an1100 series access point product compliance label (not needed

for a 1200 series access point) and a 1200 series access point product compliance label.

If anything is missing or damaged, contact your Cisco representative for support.

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Opening the Access Cover

To open the 2.4-GHz radio access cover, follow these steps:

Step 1 Remove all cables and power connections from the access point.

Step 2 Remove all static-generating items from the work area, such as plastic material, styrofoam cups, and

other similar items.

Step 3 Place the access point and the new 2.4-GHz radio (in its antistatic bag) on an antistatic work surface.

Step 4 Discharge any static buildup on your body by touching a grounded surface (antistatic work surface)

before proceeding.

Step 5 Position the access point so that the bottom cover is facing up.

Caution The internal access point components and the 2.4-GHz radio can be damaged by ESD from improper

handling.

Step 6 Remove the bottom access cover using the T-10 tamper-resistant Torx L-wrench provided with your

Cisco radio card (see Figure 7-1).

Figure 7-1 Location of 2.4-GHz Radio Access Cover Screw

If your access point was not configured with a 2.4-GHz radio, go to the “Removing a Blank Spacer Card” section. If you are replacing an existing 2.4-GHz radio, go to the “Removing a 2.4-GHz Radio” section.

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Chapter 7 2.4-GHz Radio Upgrade

Removing a Blank Spacer Card

When your access point is not factory-configured with a 2.4-GHz radio, it contains a blank spacer card in the internal mini-PCI connector. You must remove the blank spacer card prior to installing a new

2.4-GHz radio card.

Caution Handle all components carefully and observe all ESD precautions. The internal access point components

and the 2.4-GHz radio can be damaged by ESD from improper handling.

To remove the blank spacer card from the mini-PCI connector, following these steps:

Step 1 Push the card-retaining clips (on each side of card) away from the card (see Figure 7-2). When released,

the board springs up.

Figure 7-2 Location of Retaining Clips on Blank Spacer Card

Step 2

Carefully bend the card near the slots in opposite directions to provide enough clearance to remove the antenna wires.

1 Card-retaining clips 3 Antenna connector (black wire) 2 Antenna connector (white wire)

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Chapter 7 2.4-GHz Radio Upgrade

Removing a 2.4-GHz Radio

Step 3 Remove the antenna wires from the blank spacer card.

Caution To avoid damaging the antenna wire assemblies, handle them by their connectors.

Step 4 Remove the blank spacer card from the mini-PCI connector.

For instructions on installing the radio card, go to the “Installing a 2.4-GHz Radio” section.

Removing a 2.4-GHz Radio

To remove a 2.4-GHz radio card from your access point, follow these steps:

Caution The internal access point components and the 2.4-GHz radio can be damaged by ESD from improper

handling.

Step 1 Use your fingers to carefully remove the antenna wire connectors from the 2.4-GHz radio card.

Caution The antenna connectors can be damaged by using a pair of long-nose pliers during the removal

process.

Caution To avoid damaging the antenna wire assemblies, handle them by their connectors.

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Chapter 7 2.4-GHz Radio Upgrade

Removing a 2.4-GHz Radio

Step 2 Remove the 2.4-GHz radio card from the mini-PCI connector by performing the following operations:

a. Push the card-retaining clips (on each side of card) away from the card (see Figure 7-3). When

released, the radio card springs up (see Figure 7-4).

Figure 7-3 Location of Retaining Clips on 2.4-GHz Radio Card

Grasp the radio card only on the edges, being careful not to touch components on the board or the gold connector pins.

c. Remove the 2.4-GHz card from the mini-PCI connector.

Step 3 Place the removed 2.4GHz radio card into an anti-static bag.

For instructions on installing a new radio card, go to the “Installing a 2.4-GHz Radio” section.

1 Card-retaining clips

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Chapter 7 2.4-GHz Radio Upgrade

Installing a 2.4-GHz Radio

To install a new 2.4-GHz radio card into the access point, follow these steps:

Caution The internal access point components and the 2.4-GHz radio can be damaged by ESD from improper

handling.

Step 1 Carefully remove the Cisco Aironet 2.4-GHz radio card from its anti-static bag.

Step 2 Grasp the radio card only on the edges, being careful not to touch components on the board or the gold

connector pins.

Step 3 Connect the black antenna wire connector to the radio card antenna connector marked by the black label

(see Figure 7-4).

Caution To avoid damaging the antenna wire assemblies, handle them by their connectors.

Figure 7-4 Antenna Connector Labels and Mini-PCI Connector

Step 4

Connect the white antenna wire connector to the radio card antenna connector marked by the white label (see Figure 7-4).

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Installing a 2.4-GHz Radio

Step 5 Insert the radio card into the access point’s mini-PCI connector by following these steps:

a. Tilt the radio card at approximately 20

to 30o so that its gold pins are aligned with the mini-PCI

connector (see Figure 7-4).

b. Push the card into the mini-PCI connector until it clicks into place.

Step 6 Carefully push the card down (towards the access point’s motherboard) until the card-retaining clips lock

into the notches on the side of the radio card (you will hear a click).

Step 7 Carefully position the antenna wires so that the metal connectors do not touch each other.

Caution Do not allow antenna connectors to touch while power is applied, or the radio can be damaged. If they

are touching, carefully rotate them in opposite directions until they are separated.

Step 8 Reinstall the 2.4-GHz radio access cover and use the T-10 tamper-resistant Torx L-wrench to tighten the

cover’s retaining screw.

Step 9 Look at the compliance labels on your access point. Depending on the model you originally ordered,

there may be up to three labels affixed to the case.

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Chapter 7 2.4-GHz Radio Upgrade

Attaching the Compliance Labels

There are three places on the 1200 series access point dedicated to compliance labels, one for the product compliance label and two for the radio compliance labels. The label locations are shown in Figure 7-5.

Figure 7-5 Access Point Compliance Labels

The product compliance label always occupies the top space (location 1). The two spaces below (locations 2 and 3) contain the radio compliance labels. Whether or not locations 2 or 3 contain labels depends on how your access point is configured. For example, a dual-band access point could have two radio compliance labels (one for each radio device installed), or it could have only a product compliance label, depending on how it was ordered.

Make sure that your access point has the correct labels after you install or upgrade its radio configuration so that it will be in compliance with regulations in your country.

1 Product compliance label 3 Radio compliance label 2 Radio compliance label

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Chapter 7 2.4-GHz Radio Upgrade

Finding the Software Version

Placing the Labels

The 802.11g radio upgrade kit ships with the following labels for the 1100 and 1200 series access points:

• 1100 series access point upgrade label (AIR-1121G-x-K9 UPGRADE)—not used on the 1200 series

access point.

• 1200 series product compliance label (AIR-AP1231G-x-K9)

• 1200 series radio compliance label (AIR-MP21G-x-K9)

Table 7-1 shows where to place the labels on your 1200 series access point, based on the model you are

upgrading. Follow these steps to place the labels correctly:

Step 1 Check the product compliance label to identify the model number of your 1200 series access point.

Step 2 Use the matrix in Tabl e 7-1 to decide which labels to use and where to place them on the access point.

Step 3 Discard any labels that you did not use.

The radio card installation is now complete. To configure the radio with your wireless network settings, refer to the Cisco IOS Software Configuration Guide for Cisco Aironet Access Points.

Finding the Software Version

To find the version of IOS software running on your access point, use a Telnet session to log into the access point and enter the show version EXEC command. This example shows command output from an access point running Cisco IOS Release 12.2(11)JA:

On access points running IOS software, you can also find the software version on the System Software page in the access point's web-browser interface.

If your access point does not run IOS software, the software version appears at the top left of most pages in the web-browser interface.

Ta b l e 7 - 1

1200 Series Model

AIR-MP21G-x-K9 Radio Compliance Label

AIR-AP1231G-x-K9 Product Compliance Label

AIR-AP1200 Place over existing AIR-MP20B-x-K9

radio compliance label or location 2 if no label exists.

—

AIR-AP1210

AIR-AP1220A

AIR-AP1230A

AIR-AP1220B — Place over existing AIR-AP12xx-x-K9

product compliance label.

AIR-AP1230B

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5-GHz Radio Module Upgrade

This chapter provides upgrade instructions for a 5-GHz radio module and includes the following sections:

• Upgrade Overview, page 8-2

• Removing the 5-GHz Radio Access Cover, page 8-2

• Removing a 5-GHz Radio Module, page 8-3

• Installing a 5-GHz Radio Module, page 8-5

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Chapter 8 5-GHz Radio Module Upgrade

Upgrade Overview

This section provides instructions for upgrading the access point 5-GHz radio module (RM20A, RM21A, or RM22A). The following operations summarize the upgrade procedure:

1. Remove all cables and power connections from the access point.

2. Place your access point on a flat surface.

3. For an access point without the 5-GHz radio feature, remove the 5-GHz radio access cover.

4. For an access point with the 5-GHz radio feature, remove the existing 5-GHz radio module.

5. Install the new 5-GHz radio module.

Caution Your access point must be running Cisco IOS Release 12.3(2)JA or later before you upgrade to the

RM21A or RM22A radio module; otherwise your access point may not be able to complete the boot sequence until the radio is removed. For additional information, refer to the “Finding the Software

Ve rs i on ” section.

Note After you install the radio module, all configurable radio settings will be at default values. Refer to the

Cisco IOS Software Configuration Guide for Cisco Aironet Access Points for complete instructions on configuring the new radio.

Unpacking the Radio Module

Each 5-GHz radio module is shipped with the following items:

• Quick start guide

• A product registration card

• A T-10 tamper-resistant Torx L-wrench

• A 5-GHz radio compliance label

• A product compliance label (supplied with RM21A and RM22A radio modules)

If anything is missing or damaged, contact your Cisco representative for support.

Removing the 5-GHz Radio Access Cover

On access points without an installed 5-GHz radio module, you must remove the access cover that covers the 5-GHz radio slot. To remove the 5-GHz radio access cover, follow these steps:

Step 1 Remove all cables and power connections from the access point.

Step 2 Place the access point on a flat surface so that the unit is upright with the front end facing you.

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Chapter 8 5-GHz Radio Module Upgrade

Removing a 5-GHz Radio Module

Step 3 Remove the 5-GHz access cover using the supplied Torx L-wrench (see Figure 8-1).

Figure 8-1 5-GHz Radio Access Cover

Removing a 5-GHz Radio Module

To remove the 5-GHz radio module, follow these steps:

Step 1 Remove all cables and power connections from the access point.

Step 2 Place the access point on a flat surface so that the unit is upright with the front end facing you.

Step 3 Unscrew the two mounting screws using the supplied Torx L-wrench (Figure 8-2).

Figure 8-2 5-GHz Radio Module

Note Do not attempt to remove the mounting screws from the module; they are captured in the module

housing.

1 Access Cover Screws 2 Access Cover

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Chapter 8 5-GHz Radio Module Upgrade

Removing a 5-GHz Radio Module

Step 4 Insert your fingers into the base (latch opening) of the 5-GHz radio module (closest to the access point)

and pull straight out from the access point (see Figure 8-3).

Figure 8-3 Removing the 5-GHz Radio Module

Step 5 For a radio module with built-in antenna, fold the antenna down (towards the attached radio card) and

insert the module into a static protected bag.

Step 6 For a radio module with connectors, insert the radio module into a static protected bag.

To install a new 5-GHz radio module, see the “Installing a 5-GHz Radio Module” section on page 8-5.

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Chapter 8 5-GHz Radio Module Upgrade

Installing a 5-GHz Radio Module

To install a new 5-GHz radio module (RM20A, RM21A, or RM22A) into your access point, follow these steps:

Step 1 Before you can install a new 5-GHz radio module, you must remove the access cover or an existing

5-GHz radio module (refer to “Removing the 5-GHz Radio Access Cover” or “Removing a 5-GHz Radio

Module”).

Step 2 Place the access point on a flat surface so that the unit is upright with the front end facing you.

Step 3 Grasp the new 5-GHz radio module by its base (with the latch opening point down or the antenna

pointing up) and insert the card into the access point’s card-bus slot (see Figure 8-4).

Figure 8-4 Installing a 5-GHz Radio Module (RM20A or RM21A Shown)

Step 4 Push the 5-GHz radio module into the slot until you hear a slight click.

1 Access point 3 Access point card-bus slot 2 5-GHz radio module antenna 4 5-GHz radio card

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Chapter 8 5-GHz Radio Module Upgrade

Installing a 5-GHz Radio Module

Step 5 Tighten the 5-GHz radio module mounting screws using the supplied Torx L-wrench (see Figure 8-5).

Note The RM22A radio module has the same mounting screws as the RM20A radio module.

Figure 8-5 Location of Mounting Screws (RM20A or RM21A) Shown)

1 5-GHz radio module antenna 2 Mounting screws

2 2

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Chapter 8 5-GHz Radio Module Upgrade

Installing a 5-GHz Radio Module

Attaching the Compliance Label

Figure 8-6 Access Point Compliance Label Locations

The product compliance label always occupies the top space (location 1). The two spaces below the product compliance label (locations 2 and 3) contain the radio compliance labels. Whether or not locations 2 or 3 contain labels depends on how your access point is configured. For example, the access point could have two radio compliance labels (one for each radio device installed), or the access point could have only a product compliance label, depending on how it was ordered.

Make sure that your access point has the correct labels after you install or upgrade its radio configuration so that it will be in compliance with regulations in your country.

The AIR-MR21A and AIR RM22A radio upgrade kits ship with the following labels for the 1200 series access points:

• 1200 series product compliance label (AIR-AP1210-x-K9)

• 1200 series radio compliance label (AIR-RM21A-x-K9 or AIR-RM22A-x-K9)

Table 8-1 shows where to place the labels on your 1200 series access point, based on the model you are

upgrading. Follow these steps to place the labels correctly:

1 Product compliance label 3 Radio compliance label 2 Radio compliance label

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Chapter 8 5-GHz Radio Module Upgrade

Finding the Software Version

Step 1 Check the product compliance label to identify the model number of your 1200 series access point.

Step 2 Refer to Figure 8-6 for the compliance label locations.

Step 3 Use the matrix in Tabl e 8-1 to decide which labels to use and where to place them on the access point.

Step 4 Discard any labels that you did not use.

The 5-GHz radio module installation is now complete and radio settings are at default values. To configure the 5-GHz radio with your wireless network settings refer to the Cisco IOS Software

Configuration Guide for Cisco Aironet Access Points.

Finding the Software Version

On access points running IOS software, you can also find the software version on the System Software page in the access point's web-browser interface.

If your access point does not run IOS software, the software version appears at the top left of most pages in the web-browser interface.

Table 8-1 Locations for Compliance Labels

1200 Series Model

AIR-RM21A-x-K9 or AIR-RM22A-x-K9 Radio Compliance Label

AIR-AP1210-x-K9 Product Compliance Label

AIR-AP1220A Place over existing AIR-RM20A-x-K9

radio compliance label or location 3 if no label exists.

Place over existing product compliance label.

AIR-AP1230A

All other models Discard product compliance label.

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Troubleshooting

This chapter provides troubleshooting procedures for basic problems with the access point. For the most up-to-date, detailed troubleshooting information, refer to the Cisco Technical Support and Documentation website at the following URL:

http://www.cisco.com/en/US/products/hw/wireless/tsd_products_support_category_home.html

Sections in this chapter include:

• Checking the Top Panel LEDs, page 9-2

• Checking Basic Settings, page 9-4

• Resetting to the Default Configuration, page 9-7

• Reloading the Access Point Image, page 9-8

• Obtaining the Access Point Image File, page 9-11

• Obtaining the TFTP Server Software, page 9-12

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Chapter 9 Troubleshooting

Checking the Top Panel LEDs

If your access point is not communicating, check the three LEDs on the top panel. You can use them to quickly assess the unit’s status. Figure 9-1 shows the LEDs.

Figure 9-1 Access Point LEDs

The LEDs signals have the following meanings (for additional details refer to Table 9-1):

• The Ethernet LED signals traffic on the wired LAN, or Ethernet infrastructure. This LED is

normally green when an Ethernet cable is connected, and blinks green when a packet is received or transmitted over the Ethernet infrastructure. The LED is off when the Ethernet cable is not connected.

• The status LED signals operational status. Steady green indicates that the access point is associated

with at least one wireless client. Blinking green indicates that the access point is operating normally but is not associated with any wireless devices.

• The radio LED blinks green to indicate radio traffic activity. The light is normally off, but it blinks

green whenever a packet is received or transmitted over the access point’s radio.

Radio

Status

Ethernet

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Checking the Top Panel LEDs

Ta b le 9 -1 Top Pa ne l L ED S ig na ls

Message type

Ethernet LED

Status LED

Radio LED

Meaning

Boot loader status

Green – Green DRAM memory test.

– Amber Red Board initialization test

– Blinking

green

Blinking green

Flash memory test.

Amber Green – Ethernet initialization test.

Green Green Green Starting Cisco IOS.

Association status

– Green – At least one wireless client device is

associated with the unit.

– Blinking

green

– No client devices are associated; check the

unit’s SSID and WEP settings.

Operating status

–GreenBlinking

green

Transmitting/receiving radio packets.

Green – – Ethernet link is operational.

Blinking green

– – Transmitting/receiving Ethernet packets.

Boot Loader Errors

Red – Red DRAM memory test failure.

– Red Red File system failure.

Red Red – Ethernet failure during image recovery.

Amber Green Amber Boot environment error.

Red Green Red No Cisco IOS image file.

Amber Amber Amber Boot failure.

Operation Errors

–GreenBlinking

amber

Maximum retries or buffer full occurred on the radio.

Blinking amber

- – Transmit/receive Ethernet errors.

– Blinking

amber

– General warning.

Configuration Reset

– Amber – Resetting the configuration options to

factory defaults.

Failure Red Red Red Firmware failure; try disconnecting and

reconnecting unit power.

Firmware Upgrade

– Red – Loading new firmware image.

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Chapter 9 Troubleshooting

Checking Basic Settings

Mismatched basic settings are the most common causes of lost connectivity with wireless clients. If the access point does not communicate with client devices, check the following areas.

Default IP Address Behavior

When you connect a 1200 series access point running Cisco IOS Release 12.2(15)JA or earlier software with a default configuration to your LAN, the access point requests an IP address from your DHCP server and, if it does not receive an IP address, the access point assigns a default IP address of 10.0.0.1

Default SSID and Radio Behavior

In Cisco IOS Relese 12.3(2)JA and earlier, the access point radio is enabled by default and the default SSID is tsunami.

In Cisco IOS Release 12.3(4)JAand later, the access point radio is disabled by default for security reasons, and there is no default SSID. You must create an SSID and enable the radio before the access point will allow wireless associations from other devices. These changes to the default configuration improve the security of newly installed access points. Refer to the “Configuring Basic Security Settings”

section on page 3-9 for instructions on configuring the SSID and the “Enabling the Radio Interfaces” section on page 9-4 for instructions on enabling the radio interface.

Enabling the Radio Interfaces

To enable the radio interfaces, follow these instructions:

Step 1 Use your internet browser to access your access point.

Step 2 When the Summary Status page displays, click Network Interfaces > Radio0-802.11b or Network

Interfaces > Radio0-802.11g and the radio status page displays.

Step 3 Click Settings and the radio settings page displays.

Step 4 Click Enable in the Enable Radio field and click Apply.

Step 5 Click Radio1-802.11A and the radio status page displays.

Step 6 Repeat Steps 3 and 4.

Step 7 Close your internet browser.

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Chapter 9 Troubleshooting

Running the Carrier Busy Test

SSID

Wireless clients attempting to associate with the access point must use the same SSID as the access point. If a client device’s SSID does not match the SSID of an access point in radio range, the client device will not associate. In Cisco IOS Release 12.3(2)JA2 and earlier, the access point default SSID is tsunami.

Note In Cisco IOS Release 12.3(4)JA and later, there is no default SSID. You must configure an SSID before

client devices can associate to the access point.

WEP Keys

The WEP key you use to transmit data must be set up exactly the same on your access point and any wireless devices with which it associates. For example, if you set WEP Key 3 on your client adapter to 0987654321 and select it as the transmit key, you must also set WEP Key 3 on the access point to exactly the same value. The access point does not need to use Key 3 as its transmit key, however.

Refer to the Cisco IOS Software Configuration Guide for Cisco Aironet Access Points for instructions on setting the access point’s WEP keys.

Security Settings

Wireless clients attempting to authenticate with your access point must support the same security options configured in the access point, such as EAP or LEAP, MAC address authentication, Message Integrity Check (MIC), WEP key hashing, and 802.1X protocol versions.

If a wireless client is unable to authenticate with your access point, contact the system administrator for proper security settings in the client adapter and for the client adapter driver and firmware versions that are compatible with the access point settings.

Note The access point MAC address that appears on the Status page in the Aironet Client Utility (ACU) is the

MAC address for the access point radio. The MAC address for the access point Ethernet port is printed on the label on the back of the access point.

Running the Carrier Busy Test

You can use the carrier busy test to find the least congested channel for a radio interface (802.11b/g or

802.11a). You should typically run the test several times to obtain the best results and to avoid temporary activity spikes.

Note The carrier busy test is primarily used for a single access point or a bridge environment. For sites with

multiple access points, a site survey is typically performed to determine the best operating locations and operating frequencies for the access points.

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Chapter 9 Troubleshooting

Running the Ping or Link Test

Note All associated clients on the selected radio will be disassociated during the 6 to 8 seconds needed for the

carrier busy test.

Perform these steps to activate the carrier busy test:

Step 1 Use your web browser to open the access point interface.

Note The access point web-browser interface is fully compatible with Microsoft Internet Explorer

version 6.0 on Windows 98 and 2000 platforms, and with Netscape version 7.0 on Windows 98, Windows 2000, and Solaris platforms.

Step 2 Click Network Interfaces and the Network Interface Summary page appears.

Step 3 Choose the radio interface experiencing problems by clicking Radio0-802.11B or Radio0-802.11G or

Radio1-802.11A. The respective radio status page appears.

Step 4 Click the Carrier Busy Test tab and the Carrier Busy Test screen appears.

Step 5 Click Start to begin the carrier busy test.

When the test completes, the results are displayed on the bottom of the screen. For each of the channel center frequencies, the test produces a value indicating the percentage of time that the channel is busy.

Running the Ping or Link Test

You can use the ping or link test to evaluate the communication link with an associated wireless device. With the ping or link test you can:

a. Perform a test using a specified number of packets and then display the test results.

b. Perform a test that continuously operates until you stop it and then display the test results.

Perform these steps to activate the ping or link test:

Step 1 Use your web browser to open the access point interface.

Note The access point web-browser interface is fully compatible with Microsoft Internet Explorer

version 6.0 on Windows 98 and 2000 platforms, and with Netscape version 7.0 on Windows 98, Windows 2000, and Solaris platforms.

Step 2 Click Association and the main association page appears.

Step 3 Click the MAC address of an associated wireless device, and the Statistics page for that device appears.

Step 4 Click the Ping/Link Test tab and the Ping/Link Test page appears.

Step 5 If you want to specify the number of packets to use in the test, follow these steps:

a. Enter a number of packets in the Number of Packets field

b. Enter a packet size in the Packet Size field.

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Chapter 9 Troubleshooting

Resetting to the Default Configuration

c. Click Start. The test automatically stops when all packets are utilized.

Step 6 If you want to use a continuous test, follow these steps:

a. Enter a packet size in the Packet Size field.

b. Click Start to activate the test.

c. Click Stop to stop the test.

When the test stops, the test results are displayed at the bottom of the page. You should check for lost packets that might indicate a problem with the wireless link. For best results, you should perform this test several times.

Resetting to the Default Configuration

If you forget the password that allows you to configure the access point, you may need to completely reset the configuration. You can use the MODE button on the access point or the web-browser interface.

Note The following steps reset all configuration settings to factory defaults, including passwords, WEP keys,

the IP address, and the SSID.

For additional information on access point default behavior, refer to the “Default IP Address Behavior”

section on page 9-4 and the “Default SSID and Radio Behavior” section on page 9-4.

Using the MODE Button

Follow these steps to delete the current configuration and return all access point settings to the factory defaults using the MODE button:

Step 1 Disconnect power (the power jack for external power or the Ethernet cable for in-line power) from the

access point.

Step 2 Press and hold the MODE button while you reconnect power to the access point.

Step 3 Hold the MODE button until the Status LED turns amber (approximately 2 to 3 seconds), and release the

button.

Step 4 After the access point reboots, you must reconfigure the access point by using the Web browser

interface, the Telnet interface, or Cisco IOS commands.

Note The access point is configured with the factory default values including the IP address (set to

receive an IP address using DHCP).

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Chapter 9 Troubleshooting

Reloading the Access Point Image

Using the Web Browser Interface

Follow the steps below to delete the current configuration and return all access point settings to the factory defaults using the web browser interface.

Step 1 Open your Internet browser.

Note The access point web-browser interface is fully compatible with Microsoft Internet Explorer

version 6.0 on Windows 98 and 2000 platforms, and with Netscape version 7.0 on Windows 98, Windows 2000, and Solaris platforms.

Step 2 Enter the access point’s IP address in the browser address line and press Enter. An Enter Network

Password screen appears.

Step 3 Enter your username in the User Name field.

Step 4 Enter the access point password in the Password field and press Enter. The Summary Status page

appears.

Step 5 Click System Software and the System Software screen appears.

Step 6 Click System Configuration and the System Configuration screen appears.

Step 7 Click the Reset to Defaults button.

Note If the access point is configured with a static IP address, the IP address does not change.

Step 8 After the access point reboots, you must reconfigure the access point by using the Web browser interface,

the Telnet interface, or Cisco IOS commands.

Reloading the Access Point Image

If your access point has a firmware failure, you must reload the complete access point image file using the Web browser interface or by pressing and holding the MODE button for around 30 seconds. You can use the browser interface if the access point firmware is still fully operational and you want to upgrade the firmware image. However, you can use the MODE button when the access point has a corrupt firmware image.

Caution Your access point must be running specific Cisco IOS software releases before you upgrade its radios;

otherwise, your access point might not be able to complete the boot sequence until the radio is removed (see Table 9-3). For additional information, refer to the “Finding the Software Version” section.

Table 9-2 Required Cisco IOS Software Release

Radio Upgrade Required Cisco IOS Software Release

IEEE 802.11g 12.2(13)JA or later

RM21A or RM22A 12.3(2)JA or later

Cisco AIR-AP1220B-E-K9-RF, AIR-AP1230A-S-K9-RF, AIR-AP1220B-E-K9, AIR-AP1230A-A-K9, AIR-AP1230B-E-K9 Hardware Installation Manual

Specifications and Main Features

Frequently Asked Questions

User Manual